mpd-client
author Fabien Ninoles <fabien@tzone.org>
Mon, 19 May 2008 01:28:56 -0400
changeset 0 77136249e5ee
permissions -rw-r--r--
First import of mpd-client.

diff -r 171db9560cb5 clients/mpd/immsmpd.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clients/mpd/immsmpd.cc	Mon May 19 00:21:51 2008 -0400
@@ -0,0 +1,282 @@
+#include "immsutil.h"
+#include "clientstub.h"
+
+#include <glib.h>
+#include <signal.h>
+
+#include "mpdinterface.h"
+#include <list>
+
+
+using std::endl;
+using std::list;
+using namespace mpd_interface;
+
+// interface for communication with IMMS server
+// comes from clientstub.h
+struct MPDOps;
+typedef IMMSClient<MPDOps> MPDClient;
+
+int poll_time = 250; // miliseconds
+const double reconnect_interval = 1.0; // seconds
+GMainLoop *loop = nullptr;
+GSource* ts;
+
+MPDClient imms;
+Player mpd;
+list<int> playqueue;
+const list<int>::size_type pq_capacity = 1;
+
+
+// that's the main function - it's called regularly and handles all the
+// IMMS and MPD communication and decides what to do when anything happens
+gboolean do_events(void *unused);
+
+// determines whether the currently playing song has been selected
+// specifically by the user
+bool next_jumped(); 
+
+void notify_song_ended(const Song& song, double elapsed_time, bool jumped);
+
+// resets the elapsed_timer and sets the jumped flag, too
+void notify_song_started(const Song& song, double& elapsed_time,
+    bool& jumped);
+
+void update_playqueue();
+bool playqueue_contains(int song);
+
+void quit(int signum);
+
+
+struct MPDOps
+{
+    // IMMS server's suggestion of the next song
+    static void set_next(int next)
+    {
+      if(playqueue.size() < pq_capacity) {
+	if(mpd.song(current).path() == mpd.song(next).path() ||
+	    mpd.song(previous).path() == mpd.song(next).path() ||
+	    playqueue_contains(next) || next >= mpd.playlist_length()) {
+          update_playqueue();
+	}
+	else {
+	  playqueue.push_back(next);
+	}
+      }
+    }
+    // no idea, works just peach as it is
+    // asked mag about it, waiting for an answer
+    // TODO if he doesn't answer, dig it out
+    static void reset_selection() { }
+    // path of the song at the given pos for IMMS server
+    static string get_item(int index) {return mpd.song(index).path(); }
+    // size of the playlist for the IMMS server
+    static int get_length() { return mpd.playlist_length(); }
+}; 
+
+int main(int argc, char **argv)
+{
+  // glib initialization
+  loop = g_main_loop_new(nullptr, FALSE);
+
+  signal(SIGINT,  quit);
+  signal(SIGTERM, quit);
+  signal(SIGPIPE, SIG_IGN);
+
+  ts = g_timeout_source_new(poll_time);
+  g_source_attach(ts, nullptr);
+  g_source_set_callback(ts, (GSourceFunc)do_events, nullptr, nullptr);
+  // end of glib init
+
+  g_main_loop_run(loop);
+
+  LOG(INFO) << "Exitting." << endl;
+  return 0;
+}
+
+gboolean do_events(void *unused)
+{
+  static const double time_inc = double(poll_time)/1000.0;
+    // the time that ACTUALLY elapsed when playing the song (in seconds)
+  static double elapsed_time = 0; 
+  static bool jumped = false;
+  static double reconnect_timeout = 0;
+
+  try {
+    if(!mpd.connected()) {
+      if(reconnect_timeout < time_inc) {
+	LOG(INFO) << "Not connected to MPD. Attempting to connect..."
+	  << endl;
+	reconnect_timeout = reconnect_interval;
+	mpd.connect();
+	LOG(INFO) << "Connected to MPD." << endl;
+	reconnect_timeout = 0;
+      }
+      else {
+	reconnect_timeout -= time_inc;
+	return TRUE;
+      }
+    }
+    if(imms.check_connection()) imms.setup(0);
+    if(!imms.isok()) return TRUE;
+
+    mpd.refresh();
+
+    if(mpd.playlist_changed()) {
+      imms.playlist_changed(mpd.playlist_length());
+      playqueue.clear();
+    }
+    if(mpd.radnom()) update_playqueue();
+
+    if(mpd.status_changed()) {
+      if(mpd.status(current) == stopped) {
+	notify_song_ended(mpd.song(current), elapsed_time, jumped);
+      }
+      else if(mpd.status(previous) == stopped &&
+	  mpd.status(current)==playing) {
+	notify_song_started(mpd.song(current), elapsed_time, jumped);
+	
+	// clear the song_changed() flag
+	if(mpd.song_changed()) mpd.refresh(); 
+      }
+    }
+    if(mpd.status(current) == playing) {
+      elapsed_time += time_inc;
+      if(mpd.song_changed()) {
+	notify_song_ended(mpd.song(previous), elapsed_time, jumped);
+
+	if(!mpd.radnom() || playqueue.empty()) {
+	  notify_song_started(mpd.song(current), elapsed_time, jumped);
+	}
+	else {
+	  mpd.play_song(playqueue.front());
+	  notify_song_started(mpd.song(playqueue.front()), elapsed_time,
+	      jumped);
+	  playqueue.erase(playqueue.begin());
+	  update_playqueue();
+	  // this could otherwise incorrectly set song_changed() flag
+	  mpd.refresh(); 
+	}
+      }
+      else {
+	// fix the real timer if it's inconsistent with what player
+	// says is the elapsed time of the current song
+	if(elapsed_time - double(mpd.song(current).elapsed()) >= 3.0) {
+	  if(mpd.song(current).elapsed() == 0) {
+	    Song tmp_ended = mpd.song(current);
+	    tmp_ended.set_length(int(elapsed_time) * 2);
+	    notify_song_ended(tmp_ended, elapsed_time, jumped);
+	    notify_song_started(mpd.song(current), elapsed_time, jumped);
+	    jumped = false;
+	  }
+	  elapsed_time = mpd.song(current).elapsed();
+	}
+      }
+    }
+  }
+  catch (connection_err) {
+    if(reconnect_timeout >= reconnect_interval) {
+	  LOG(INFO) << "Connecting to MPD was unsuccessful. "
+	    "Next attempt in " << reconnect_interval << " second"
+	    << (reconnect_interval == 1.0 ? "":"s") << "." << endl;
+    }
+    else {
+      LOG(INFO) << "Disconnected from MPD." << endl;
+    }
+  }
+  catch (mpd_err ex) {
+    LOG(ERROR) << "Error: " << ex.message() << endl;
+    g_main_quit(loop);
+    loop = nullptr;
+    exit(1);
+  }
+  return TRUE;
+}
+
+// determines whether the song has been played whole
+bool played_whole(double elapsed_time, int length)
+{
+  static const double abs_limit = 20.0;
+  static const double coeficient = 0.08;
+
+  double rel_limit = double(length) * coeficient;
+
+  double limit = (abs_limit < rel_limit) ? abs_limit : rel_limit;
+  return double(length)-elapsed_time < limit; 
+}
+// determines whether the song has been skipped early
+// (thus being set as not a prefed one)
+bool bad(double elapsed_time, int length)
+{
+  static const double abs_limit = 30.0;
+  static const double coeficient = 0.13;
+
+  double rel_limit = double(length) * coeficient;
+
+  double limit = (rel_limit < abs_limit) ? rel_limit : abs_limit;
+  return elapsed_time < limit;
+}
+bool next_jumped()
+{
+  if(mpd.radnom()) return false;
+
+  if(mpd.song(current).pos() == mpd.song(previous).pos()+1)
+    return false;
+  if(mpd.song(current).pos() == 0 &&
+      mpd.song(previous).pos() == mpd.playlist_length()-1)
+    return false;
+
+  return true;
+}
+void notify_song_ended(const Song& song, double elapsed_time, bool jumped)
+{
+  if(song.length() == Song::invalid_time) return;
+
+  imms.end_song(played_whole(elapsed_time, song.length()), jumped,
+      bad(elapsed_time, song.length()) );
+}
+
+void notify_song_started(const Song& song, double& elapsed_timer,
+    bool& jumped)
+{
+  imms.start_song(song.pos(), song.path());
+  elapsed_timer = 0;
+  jumped = next_jumped();
+  mpd.song_changed(); // clear the change notification
+}
+
+void update_playqueue()
+{
+  static const int timeout_value = 3;
+  static int timeout = 0;
+
+  if(timeout == 0)
+  {
+    if(playqueue.size() < pq_capacity) {
+      list<int>::size_type i;
+      for(i = pq_capacity - playqueue.size(); i!=0; i--) {
+	imms.select_next();
+      }
+      timeout = timeout_value;
+    }
+  }
+  else --timeout;
+}
+
+bool playqueue_contains(int song)
+{
+  list<int>::const_iterator i;
+  for(i = playqueue.begin(); i!= playqueue.end(); i++) {
+    if (*i == song) return true;
+  }
+  return false;
+}
+
+void quit(int signum)
+{
+  if (loop) g_main_quit(loop);
+  loop = nullptr;
+  signal(signum, SIG_DFL);
+}
+
+
diff -r 171db9560cb5 clients/mpd/libmpdclient.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clients/mpd/libmpdclient.c	Mon May 19 00:21:51 2008 -0400
@@ -0,0 +1,1955 @@
+/* libmpdclient
+   (c)2003-2006 by Warren Dukes (warren.dukes@gmail.com)
+   This project's homepage is: http://www.musicpd.org
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   - Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+   - Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+   - Neither the name of the Music Player Daemon nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "libmpdclient.h"
+
+#include <errno.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <sys/param.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <limits.h>
+
+#ifdef WIN32
+#  include <ws2tcpip.h>
+#  include <winsock.h>
+#else
+#  include <netinet/in.h>
+#  include <arpa/inet.h>
+#  include <sys/socket.h>
+#  include <netdb.h>
+#endif
+
+/* (bits+1)/3 (plus the sign character) */
+#define INTLEN      ((sizeof(int)       * CHAR_BIT + 1) / 3 + 1)
+#define LONGLONGLEN ((sizeof(long long) * CHAR_BIT + 1) / 3 + 1)
+
+#define COMMAND_LIST    1
+#define COMMAND_LIST_OK 2
+
+#ifndef MPD_NO_GAI
+#  ifdef AI_ADDRCONFIG
+#    define MPD_HAVE_GAI
+#  endif
+#endif
+
+#ifndef MSG_DONTWAIT
+#  define MSG_DONTWAIT 0
+#endif
+
+#ifdef WIN32
+#  define SELECT_ERRNO_IGNORE   (errno == WSAEINTR || errno == WSAEINPROGRESS)
+#  define SENDRECV_ERRNO_IGNORE SELECT_ERRNO_IGNORE
+#else
+#  define SELECT_ERRNO_IGNORE   (errno == EINTR)
+#  define SENDRECV_ERRNO_IGNORE (errno == EINTR || errno == EAGAIN)
+#  define winsock_dll_error(c)  0
+#  define closesocket(s)        close(s)
+#  define WSACleanup()          do { /* nothing */ } while (0)
+#endif
+
+#ifdef WIN32
+static int winsock_dll_error(mpd_Connection *connection)
+{
+	WSADATA wsaData;
+	if ((WSAStartup(MAKEWORD(2, 2), &wsaData)) != 0 ||
+			LOBYTE(wsaData.wVersion) != 2 ||
+			HIBYTE(wsaData.wVersion) != 2 ) {
+		strcpy(connection->errorStr,
+		       "Could not find usable WinSock DLL.");
+		connection->error = MPD_ERROR_SYSTEM;
+		return 1;
+	}
+	return 0;
+}
+
+static int do_connect_fail(mpd_Connection *connection,
+                           const struct sockaddr *serv_addr, int addrlen)
+{
+	int iMode = 1; /* 0 = blocking, else non-blocking */
+	ioctlsocket(connection->sock, FIONBIO, (u_long FAR*) &iMode);
+	return (connect(connection->sock,serv_addr,addrlen) == SOCKET_ERROR
+			&& WSAGetLastError() != WSAEWOULDBLOCK);
+}
+#else /* !WIN32 (sane operating systems) */
+static int do_connect_fail(mpd_Connection *connection,
+                           const struct sockaddr *serv_addr, int addrlen)
+{
+	int flags = fcntl(connection->sock, F_GETFL, 0);
+	fcntl(connection->sock, F_SETFL, flags | O_NONBLOCK);
+	return (connect(connection->sock,serv_addr,addrlen)<0 &&
+				errno!=EINPROGRESS);
+}
+#endif /* !WIN32 */
+
+#ifdef MPD_HAVE_GAI
+static int mpd_connect(mpd_Connection * connection, const char * host, int port,
+                       float timeout)
+{
+	int error;
+	char service[INTLEN+1];
+	struct addrinfo hints;
+	struct addrinfo *res = NULL;
+	struct addrinfo *addrinfo = NULL;
+
+	/**
+	 * Setup hints
+	 */
+	hints.ai_flags     = AI_ADDRCONFIG;
+	hints.ai_family    = PF_UNSPEC;
+	hints.ai_socktype  = SOCK_STREAM;
+	hints.ai_protocol  = IPPROTO_TCP;
+	hints.ai_addrlen   = 0;
+	hints.ai_addr      = NULL;
+	hints.ai_canonname = NULL;
+	hints.ai_next      = NULL;
+
+	snprintf(service, sizeof(service), "%i", port);
+
+	error = getaddrinfo(host, service, &hints, &addrinfo);
+
+	if (error) {
+		snprintf(connection->errorStr, MPD_ERRORSTR_MAX_LENGTH,
+		         "host \"%s\" not found: %s",
+		         host, gai_strerror(error));
+		connection->error = MPD_ERROR_UNKHOST;
+		return -1;
+	}
+
+	for (res = addrinfo; res; res = res->ai_next) {
+		/* create socket */
+		connection->sock = socket(res->ai_family, SOCK_STREAM,
+		                          res->ai_protocol);
+		if (connection->sock < 0) {
+			snprintf(connection->errorStr, MPD_ERRORSTR_MAX_LENGTH,
+			         "problems creating socket: %s",
+			         strerror(errno));
+			connection->error = MPD_ERROR_SYSTEM;
+			freeaddrinfo(addrinfo);
+			return -1;
+		}
+
+		mpd_setConnectionTimeout(connection, timeout);
+
+		/* connect stuff */
+ 		if (do_connect_fail(connection,
+		                    res->ai_addr, res->ai_addrlen)) {
+ 			/* try the next address family */
+ 			closesocket(connection->sock);
+ 			connection->sock = -1;
+ 			continue;
+		}
+	}
+
+	freeaddrinfo(addrinfo);
+
+	if (connection->sock < 0) {
+		snprintf(connection->errorStr, MPD_ERRORSTR_MAX_LENGTH,
+		         "problems connecting to \"%s\" on port %i: %s",
+		         host, port, strerror(errno));
+		connection->error = MPD_ERROR_CONNPORT;
+
+		return -1;
+	}
+
+	return 0;
+}
+#else /* !MPD_HAVE_GAI */
+static int mpd_connect(mpd_Connection * connection, const char * host, int port,
+                       float timeout)
+{
+	struct hostent * he;
+	struct sockaddr * dest;
+	int destlen;
+	struct sockaddr_in sin;
+
+	if(!(he=gethostbyname(host))) {
+		snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
+				"host \"%s\" not found",host);
+		connection->error = MPD_ERROR_UNKHOST;
+		return -1;
+	}
+
+	memset(&sin,0,sizeof(struct sockaddr_in));
+	/*dest.sin_family = he->h_addrtype;*/
+	sin.sin_family = AF_INET;
+	sin.sin_port = htons(port);
+
+	switch(he->h_addrtype) {
+	case AF_INET:
+		memcpy((char *)&sin.sin_addr.s_addr,(char *)he->h_addr,
+				he->h_length);
+		dest = (struct sockaddr *)&sin;
+		destlen = sizeof(struct sockaddr_in);
+		break;
+	default:
+		strcpy(connection->errorStr,"address type is not IPv4");
+		connection->error = MPD_ERROR_SYSTEM;
+		return -1;
+		break;
+	}
+
+	if((connection->sock = socket(dest->sa_family,SOCK_STREAM,0))<0) {
+		strcpy(connection->errorStr,"problems creating socket");
+		connection->error = MPD_ERROR_SYSTEM;
+		return -1;
+	}
+
+	mpd_setConnectionTimeout(connection,timeout);
+
+	/* connect stuff */
+	if (do_connect_fail(connection, dest, destlen)) {
+		snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
+				"problems connecting to \"%s\" on port"
+				" %i",host,port);
+		connection->error = MPD_ERROR_CONNPORT;
+		return -1;
+	}
+
+	return 0;
+}
+#endif /* !MPD_HAVE_GAI */
+
+char * mpdTagItemKeys[MPD_TAG_NUM_OF_ITEM_TYPES] =
+{
+	"Artist",
+	"Album",
+	"Title",
+	"Track",
+	"Name",
+	"Genre",
+	"Date",
+	"Composer",
+	"Performer",
+	"Comment",
+	"Disc",
+	"Filename",
+	"Any"
+};
+
+static char * mpd_sanitizeArg(const char * arg) {
+	size_t i;
+	char * ret;
+	register const char *c;
+	register char *rc;
+
+	/* instead of counting in that loop above, just
+	 * use a bit more memory and half running time
+	 */
+	ret = (char *)malloc(strlen(arg) * 2 + 1);
+
+	c = arg;
+	rc = ret;
+	for(i = strlen(arg)+1; i != 0; --i) {
+		if(*c=='"' || *c=='\\')
+			*rc++ = '\\';
+		*(rc++) = *(c++);
+	}
+
+	return ret;
+}
+
+static mpd_ReturnElement * mpd_newReturnElement(const char * name, const char * value)
+{
+	mpd_ReturnElement * ret = (mpd_ReturnElement *)malloc(sizeof(mpd_ReturnElement));
+
+	ret->name = strdup(name);
+	ret->value = strdup(value);
+
+	return ret;
+}
+
+static void mpd_freeReturnElement(mpd_ReturnElement * re) {
+	free(re->name);
+	free(re->value);
+	free(re);
+}
+
+void mpd_setConnectionTimeout(mpd_Connection * connection, float timeout) {
+	connection->timeout.tv_sec = (int)timeout;
+	connection->timeout.tv_usec = (int)(timeout*1e6 -
+	                                    connection->timeout.tv_sec*1000000 +
+					    0.5);
+}
+
+static int mpd_parseWelcome(mpd_Connection * connection, const char * host, int port,
+                            char * rt, char * output) {
+	char * tmp;
+	char * test;
+	int i;
+
+	if(strncmp(output,MPD_WELCOME_MESSAGE,strlen(MPD_WELCOME_MESSAGE))) {
+		snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
+				"mpd not running on port %i on host \"%s\"",
+				port,host);
+		connection->error = MPD_ERROR_NOTMPD;
+		return 1;
+	}
+
+	tmp = &output[strlen(MPD_WELCOME_MESSAGE)];
+
+	for(i=0;i<3;i++) {
+		if(tmp) connection->version[i] = strtol(tmp,&test,10);
+
+		if (!tmp || (test[0] != '.' && test[0] != '\0')) {
+			snprintf(connection->errorStr,
+			         MPD_ERRORSTR_MAX_LENGTH,
+			         "error parsing version number at "
+			         "\"%s\"",
+			         &output[strlen(MPD_WELCOME_MESSAGE)]);
+			connection->error = MPD_ERROR_NOTMPD;
+			return 1;
+		}
+		tmp = ++test;
+	}
+
+	return 0;
+}
+
+mpd_Connection * mpd_newConnection(const char * host, int port, float timeout) {
+	int err;
+	char * rt;
+	char * output =  NULL;
+	mpd_Connection * connection = (mpd_Connection *)malloc(sizeof(mpd_Connection));
+	struct timeval tv;
+	fd_set fds;
+	strcpy(connection->buffer,"");
+	connection->buflen = 0;
+	connection->bufstart = 0;
+	strcpy(connection->errorStr,"");
+	connection->error = 0;
+	connection->doneProcessing = 0;
+	connection->commandList = 0;
+	connection->listOks = 0;
+	connection->doneListOk = 0;
+	connection->returnElement = NULL;
+	connection->request = NULL;
+
+	if (winsock_dll_error(connection))
+		return connection;
+
+	if (mpd_connect(connection, host, port, timeout) < 0)
+		return connection;
+
+	while(!(rt = strstr(connection->buffer,"\n"))) {
+		tv.tv_sec = connection->timeout.tv_sec;
+		tv.tv_usec = connection->timeout.tv_usec;
+		FD_ZERO(&fds);
+		FD_SET(connection->sock,&fds);
+		if((err = select(connection->sock+1,&fds,NULL,NULL,&tv)) == 1) {
+			int readed;
+			readed = recv(connection->sock,
+					&(connection->buffer[connection->buflen]),
+					MPD_BUFFER_MAX_LENGTH-connection->buflen,0);
+			if(readed<=0) {
+				snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
+						"problems getting a response from"
+						" \"%s\" on port %i : %s",host,
+						port, strerror(errno));
+				connection->error = MPD_ERROR_NORESPONSE;
+				return connection;
+			}
+			connection->buflen+=readed;
+			connection->buffer[connection->buflen] = '\0';
+		}
+		else if(err<0) {
+ 			if (SELECT_ERRNO_IGNORE)
+				continue;
+			snprintf(connection->errorStr,
+					MPD_ERRORSTR_MAX_LENGTH,
+					"problems connecting to \"%s\" on port"
+					" %i",host,port);
+			connection->error = MPD_ERROR_CONNPORT;
+			return connection;
+		}
+		else {
+			snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
+					"timeout in attempting to get a response from"
+					" \"%s\" on port %i",host,port);
+			connection->error = MPD_ERROR_NORESPONSE;
+			return connection;
+		}
+	}
+
+	*rt = '\0';
+	output = strdup(connection->buffer);
+	strcpy(connection->buffer,rt+1);
+	connection->buflen = strlen(connection->buffer);
+
+	if(mpd_parseWelcome(connection,host,port,rt,output) == 0) connection->doneProcessing = 1;
+
+	free(output);
+
+	return connection;
+}
+
+void mpd_clearError(mpd_Connection * connection) {
+	connection->error = 0;
+	connection->errorStr[0] = '\0';
+}
+
+void mpd_closeConnection(mpd_Connection * connection) {
+	closesocket(connection->sock);
+	if(connection->returnElement) free(connection->returnElement);
+	if(connection->request) free(connection->request);
+	free(connection);
+	WSACleanup();
+}
+
+static void mpd_executeCommand(mpd_Connection * connection, char * command) {
+	int ret;
+	struct timeval tv;
+	fd_set fds;
+	char * commandPtr = command;
+	int commandLen = strlen(command);
+
+	if(!connection->doneProcessing && !connection->commandList) {
+		strcpy(connection->errorStr,"not done processing current command");
+		connection->error = 1;
+		return;
+	}
+
+	mpd_clearError(connection);
+
+	FD_ZERO(&fds);
+	FD_SET(connection->sock,&fds);
+	tv.tv_sec = connection->timeout.tv_sec;
+	tv.tv_usec = connection->timeout.tv_usec;
+
+	while((ret = select(connection->sock+1,NULL,&fds,NULL,&tv)==1) ||
+			(ret==-1 && SELECT_ERRNO_IGNORE)) {
+		ret = send(connection->sock,commandPtr,commandLen,MSG_DONTWAIT);
+		if(ret<=0)
+		{
+			if (SENDRECV_ERRNO_IGNORE) continue;
+			snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
+			         "problems giving command \"%s\"",command);
+			connection->error = MPD_ERROR_SENDING;
+			return;
+		}
+		else {
+			commandPtr+=ret;
+			commandLen-=ret;
+		}
+
+		if(commandLen<=0) break;
+	}
+
+	if(commandLen>0) {
+		perror("");
+		snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
+		         "timeout sending command \"%s\"",command);
+		connection->error = MPD_ERROR_TIMEOUT;
+		return;
+	}
+
+	if(!connection->commandList) connection->doneProcessing = 0;
+	else if(connection->commandList == COMMAND_LIST_OK) {
+		connection->listOks++;
+	}
+}
+
+static void mpd_getNextReturnElement(mpd_Connection * connection) {
+	char * output = NULL;
+	char * rt = NULL;
+	char * name = NULL;
+	char * value = NULL;
+	fd_set fds;
+	struct timeval tv;
+	char * tok = NULL;
+	int readed;
+	char * bufferCheck = NULL;
+	int err;
+	int pos;
+
+	if(connection->returnElement) mpd_freeReturnElement(connection->returnElement);
+	connection->returnElement = NULL;
+
+	if(connection->doneProcessing || (connection->listOks &&
+	   connection->doneListOk))
+	{
+		strcpy(connection->errorStr,"already done processing current command");
+		connection->error = 1;
+		return;
+	}
+
+	bufferCheck = connection->buffer+connection->bufstart;
+	while(connection->bufstart>=connection->buflen ||
+			!(rt = strchr(bufferCheck,'\n'))) {
+		if(connection->buflen>=MPD_BUFFER_MAX_LENGTH) {
+			memmove(connection->buffer,
+					connection->buffer+
+					connection->bufstart,
+					connection->buflen-
+					connection->bufstart+1);
+			connection->buflen-=connection->bufstart;
+			connection->bufstart = 0;
+		}
+		if(connection->buflen>=MPD_BUFFER_MAX_LENGTH) {
+			strcpy(connection->errorStr,"buffer overrun");
+			connection->error = MPD_ERROR_BUFFEROVERRUN;
+			connection->doneProcessing = 1;
+			connection->doneListOk = 0;
+			return;
+		}
+		bufferCheck = connection->buffer+connection->buflen;
+		tv.tv_sec = connection->timeout.tv_sec;
+		tv.tv_usec = connection->timeout.tv_usec;
+		FD_ZERO(&fds);
+		FD_SET(connection->sock,&fds);
+		if((err = select(connection->sock+1,&fds,NULL,NULL,&tv) == 1)) {
+			readed = recv(connection->sock,
+					connection->buffer+connection->buflen,
+					MPD_BUFFER_MAX_LENGTH-connection->buflen,
+					MSG_DONTWAIT);
+			if(readed<0 && SENDRECV_ERRNO_IGNORE) {
+				continue;
+			}
+			if(readed<=0) {
+				strcpy(connection->errorStr,"connection"
+				       " closed");
+				connection->error = MPD_ERROR_CONNCLOSED;
+				connection->doneProcessing = 1;
+				connection->doneListOk = 0;
+				return;
+			}
+			connection->buflen+=readed;
+			connection->buffer[connection->buflen] = '\0';
+		}
+		else if(err<0 && SELECT_ERRNO_IGNORE) continue;
+		else {
+			strcpy(connection->errorStr,"connection timeout");
+			connection->error = MPD_ERROR_TIMEOUT;
+			connection->doneProcessing = 1;
+			connection->doneListOk = 0;
+			return;
+		}
+	}
+
+	*rt = '\0';
+	output = connection->buffer+connection->bufstart;
+	connection->bufstart = rt - connection->buffer + 1;
+
+	if(strcmp(output,"OK")==0) {
+		if(connection->listOks > 0) {
+			strcpy(connection->errorStr, "expected more list_OK's");
+			connection->error = 1;
+		}
+		connection->listOks = 0;
+		connection->doneProcessing = 1;
+		connection->doneListOk = 0;
+		return;
+	}
+
+	if(strcmp(output, "list_OK") == 0) {
+		if(!connection->listOks) {
+			strcpy(connection->errorStr,
+					"got an unexpected list_OK");
+			connection->error = 1;
+		}
+		else {
+			connection->doneListOk = 1;
+			connection->listOks--;
+		}
+		return;
+	}
+
+	if(strncmp(output,"ACK",strlen("ACK"))==0) {
+		char * test;
+		char * needle;
+		int val;
+
+		strcpy(connection->errorStr, output);
+		connection->error = MPD_ERROR_ACK;
+		connection->errorCode = MPD_ACK_ERROR_UNK;
+		connection->errorAt = MPD_ERROR_AT_UNK;
+		connection->doneProcessing = 1;
+		connection->doneListOk = 0;
+
+		needle = strchr(output, '[');
+		if(!needle) return;
+		val = strtol(needle+1, &test, 10);
+		if(*test != '@') return;
+		connection->errorCode = val;
+		val = strtol(test+1, &test, 10);
+		if(*test != ']') return;
+		connection->errorAt = val;
+		return;
+	}
+
+	tok = strchr(output, ':');
+	if (!tok) return;
+	pos = tok - output;
+	value = ++tok;
+	name = output;
+	name[pos] = '\0';
+
+	if(value[0]==' ') {
+		connection->returnElement = mpd_newReturnElement(name,&(value[1]));
+	}
+	else {
+		snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
+					"error parsing: %s:%s",name,value);
+		connection->error = 1;
+	}
+}
+
+void mpd_finishCommand(mpd_Connection * connection) {
+	while(!connection->doneProcessing) {
+		if(connection->doneListOk) connection->doneListOk = 0;
+		mpd_getNextReturnElement(connection);
+	}
+}
+
+static void mpd_finishListOkCommand(mpd_Connection * connection) {
+	while(!connection->doneProcessing && connection->listOks &&
+			!connection->doneListOk)
+	{
+		mpd_getNextReturnElement(connection);
+	}
+}
+
+int mpd_nextListOkCommand(mpd_Connection * connection) {
+	mpd_finishListOkCommand(connection);
+	if(!connection->doneProcessing) connection->doneListOk = 0;
+	if(connection->listOks == 0 || connection->doneProcessing) return -1;
+	return 0;
+}
+
+void mpd_sendStatusCommand(mpd_Connection * connection) {
+	mpd_executeCommand(connection,"status\n");
+}
+
+mpd_Status * mpd_getStatus(mpd_Connection * connection) {
+	mpd_Status * status;
+
+	/*mpd_executeCommand(connection,"status\n");
+
+	if(connection->error) return NULL;*/
+
+	if(connection->doneProcessing || (connection->listOks &&
+	   connection->doneListOk))
+	{
+		return NULL;
+	}
+
+	if(!connection->returnElement) mpd_getNextReturnElement(connection);
+
+	status = (mpd_Status *)malloc(sizeof(mpd_Status));
+	status->volume = -1;
+	status->repeat = 0;
+	status->random = 0;
+	status->playlist = -1;
+	status->playlistLength = -1;
+	status->state = -1;
+	status->song = 0;
+	status->songid = 0;
+	status->elapsedTime = 0;
+	status->totalTime = 0;
+	status->bitRate = 0;
+	status->sampleRate = 0;
+	status->bits = 0;
+	status->channels = 0;
+	status->crossfade = -1;
+	status->error = NULL;
+	status->updatingDb = 0;
+
+	if(connection->error) {
+		free(status);
+		return NULL;
+	}
+	while(connection->returnElement) {
+		mpd_ReturnElement * re = connection->returnElement;
+		if(strcmp(re->name,"volume")==0) {
+			status->volume = atoi(re->value);
+		}
+		else if(strcmp(re->name,"repeat")==0) {
+			status->repeat = atoi(re->value);
+		}
+		else if(strcmp(re->name,"random")==0) {
+			status->random = atoi(re->value);
+		}
+		else if(strcmp(re->name,"playlist")==0) {
+			status->playlist = strtol(re->value,NULL,10);
+		}
+		else if(strcmp(re->name,"playlistlength")==0) {
+			status->playlistLength = atoi(re->value);
+		}
+		else if(strcmp(re->name,"bitrate")==0) {
+			status->bitRate = atoi(re->value);
+		}
+		else if(strcmp(re->name,"state")==0) {
+			if(strcmp(re->value,"play")==0) {
+				status->state = MPD_STATUS_STATE_PLAY;
+			}
+			else if(strcmp(re->value,"stop")==0) {
+				status->state = MPD_STATUS_STATE_STOP;
+			}
+			else if(strcmp(re->value,"pause")==0) {
+				status->state = MPD_STATUS_STATE_PAUSE;
+			}
+			else {
+				status->state = MPD_STATUS_STATE_UNKNOWN;
+			}
+		}
+		else if(strcmp(re->name,"song")==0) {
+			status->song = atoi(re->value);
+		}
+		else if(strcmp(re->name,"songid")==0) {
+			status->songid = atoi(re->value);
+		}
+		else if(strcmp(re->name,"time")==0) {
+			char * tok = strchr(re->value,':');
+			/* the second strchr below is a safety check */
+			if (tok && (strchr(tok,0) > (tok+1))) {
+				/* atoi stops at the first non-[0-9] char: */
+				status->elapsedTime = atoi(re->value);
+				status->totalTime = atoi(tok+1);
+			}
+		}
+		else if(strcmp(re->name,"error")==0) {
+			status->error = strdup(re->value);
+		}
+		else if(strcmp(re->name,"xfade")==0) {
+			status->crossfade = atoi(re->value);
+		}
+		else if(strcmp(re->name,"updating_db")==0) {
+			status->updatingDb = atoi(re->value);
+		}
+		else if(strcmp(re->name,"audio")==0) {
+			char * tok = strchr(re->value,':');
+			if (tok && (strchr(tok,0) > (tok+1))) {
+				status->sampleRate = atoi(re->value);
+				status->bits = atoi(++tok);
+				tok = strchr(tok,':');
+				if (tok && (strchr(tok,0) > (tok+1)))
+					status->channels = atoi(tok+1);
+			}
+		}
+
+		mpd_getNextReturnElement(connection);
+		if(connection->error) {
+			free(status);
+			return NULL;
+		}
+	}
+
+	if(connection->error) {
+		free(status);
+		return NULL;
+	}
+	else if(status->state<0) {
+		strcpy(connection->errorStr,"state not found");
+		connection->error = 1;
+		free(status);
+		return NULL;
+	}
+
+	return status;
+}
+
+void mpd_freeStatus(mpd_Status * status) {
+	if(status->error) free(status->error);
+	free(status);
+}
+
+void mpd_sendStatsCommand(mpd_Connection * connection) {
+	mpd_executeCommand(connection,"stats\n");
+}
+
+mpd_Stats * mpd_getStats(mpd_Connection * connection) {
+	mpd_Stats * stats;
+
+	/*mpd_executeCommand(connection,"stats\n");
+
+	if(connection->error) return NULL;*/
+
+	if(connection->doneProcessing || (connection->listOks &&
+	   connection->doneListOk))
+	{
+		return NULL;
+	}
+
+	if(!connection->returnElement) mpd_getNextReturnElement(connection);
+
+	stats = (mpd_Stats *)malloc(sizeof(mpd_Stats));
+	stats->numberOfArtists = 0;
+	stats->numberOfAlbums = 0;
+	stats->numberOfSongs = 0;
+	stats->uptime = 0;
+	stats->dbUpdateTime = 0;
+	stats->playTime = 0;
+	stats->dbPlayTime = 0;
+
+	if(connection->error) {
+		free(stats);
+		return NULL;
+	}
+	while(connection->returnElement) {
+		mpd_ReturnElement * re = connection->returnElement;
+		if(strcmp(re->name,"artists")==0) {
+			stats->numberOfArtists = atoi(re->value);
+		}
+		else if(strcmp(re->name,"albums")==0) {
+			stats->numberOfAlbums = atoi(re->value);
+		}
+		else if(strcmp(re->name,"songs")==0) {
+			stats->numberOfSongs = atoi(re->value);
+		}
+		else if(strcmp(re->name,"uptime")==0) {
+			stats->uptime = strtol(re->value,NULL,10);
+		}
+		else if(strcmp(re->name,"db_update")==0) {
+			stats->dbUpdateTime = strtol(re->value,NULL,10);
+		}
+		else if(strcmp(re->name,"playtime")==0) {
+			stats->playTime = strtol(re->value,NULL,10);
+		}
+		else if(strcmp(re->name,"db_playtime")==0) {
+			stats->dbPlayTime = strtol(re->value,NULL,10);
+		}
+
+		mpd_getNextReturnElement(connection);
+		if(connection->error) {
+			free(stats);
+			return NULL;
+		}
+	}
+
+	if(connection->error) {
+		free(stats);
+		return NULL;
+	}
+
+	return stats;
+}
+
+void mpd_freeStats(mpd_Stats * stats) {
+	free(stats);
+}
+
+mpd_SearchStats * mpd_getSearchStats(mpd_Connection * connection)
+{
+	mpd_SearchStats * stats;
+	mpd_ReturnElement * re;
+
+	if (connection->doneProcessing ||
+	    (connection->listOks && connection->doneListOk)) {
+		return NULL;
+	}
+
+	if (!connection->returnElement) mpd_getNextReturnElement(connection);
+
+	if (connection->error)
+		return NULL;
+
+	stats = (mpd_SearchStats *)malloc(sizeof(mpd_SearchStats));
+	stats->numberOfSongs = 0;
+	stats->playTime = 0;
+
+	while (connection->returnElement) {
+		re = connection->returnElement;
+
+		if (strcmp(re->name, "songs") == 0) {
+			stats->numberOfSongs = atoi(re->value);
+		} else if (strcmp(re->name, "playtime") == 0) {
+			stats->playTime = strtol(re->value, NULL, 10);
+		}
+
+		mpd_getNextReturnElement(connection);
+		if (connection->error) {
+			free(stats);
+			return NULL;
+		}
+	}
+
+	if (connection->error) {
+		free(stats);
+		return NULL;
+	}
+
+	return stats;
+}
+
+void mpd_freeSearchStats(mpd_SearchStats * stats)
+{
+	free(stats);
+}
+
+static void mpd_initSong(mpd_Song * song) {
+	song->file = NULL;
+	song->artist = NULL;
+	song->album = NULL;
+	song->track = NULL;
+	song->title = NULL;
+	song->name = NULL;
+	song->date = NULL;
+	/* added by Qball */
+	song->genre = NULL;
+	song->composer = NULL;
+	song->performer = NULL;
+	song->disc = NULL;
+	song->comment = NULL;
+
+	song->time = MPD_SONG_NO_TIME;
+	song->pos = MPD_SONG_NO_NUM;
+	song->id = MPD_SONG_NO_ID;
+}
+
+static void mpd_finishSong(mpd_Song * song) {
+	if(song->file) free(song->file);
+	if(song->artist) free(song->artist);
+	if(song->album) free(song->album);
+	if(song->title) free(song->title);
+	if(song->track) free(song->track);
+	if(song->name) free(song->name);
+	if(song->date) free(song->date);
+	if(song->genre) free(song->genre);
+	if(song->composer) free(song->composer);
+	if(song->disc) free(song->disc);
+	if(song->comment) free(song->comment);
+}
+
+mpd_Song * mpd_newSong(void) {
+	mpd_Song * ret = (mpd_Song *)malloc(sizeof(mpd_Song));
+
+	mpd_initSong(ret);
+
+	return ret;
+}
+
+void mpd_freeSong(mpd_Song * song) {
+	mpd_finishSong(song);
+	free(song);
+}
+
+mpd_Song * mpd_songDup(mpd_Song * song) {
+	mpd_Song * ret = mpd_newSong();
+
+	if(song->file) ret->file = strdup(song->file);
+	if(song->artist) ret->artist = strdup(song->artist);
+	if(song->album) ret->album = strdup(song->album);
+	if(song->title) ret->title = strdup(song->title);
+	if(song->track) ret->track = strdup(song->track);
+	if(song->name) ret->name = strdup(song->name);
+	if(song->date) ret->date = strdup(song->date);
+	if(song->genre) ret->genre= strdup(song->genre);
+	if(song->composer) ret->composer= strdup(song->composer);
+	if(song->disc) ret->disc = strdup(song->disc);
+	if(song->comment) ret->comment = strdup(song->comment);
+	ret->time = song->time;
+	ret->pos = song->pos;
+	ret->id = song->id;
+
+	return ret;
+}
+
+static void mpd_initDirectory(mpd_Directory * directory) {
+	directory->path = NULL;
+}
+
+static void mpd_finishDirectory(mpd_Directory * directory) {
+	if(directory->path) free(directory->path);
+}
+
+mpd_Directory * mpd_newDirectory(void) {
+	mpd_Directory * directory = (mpd_Directory *)malloc(sizeof(mpd_Directory));;
+
+	mpd_initDirectory(directory);
+
+	return directory;
+}
+
+void mpd_freeDirectory(mpd_Directory * directory) {
+	mpd_finishDirectory(directory);
+
+	free(directory);
+}
+
+mpd_Directory * mpd_directoryDup(mpd_Directory * directory) {
+	mpd_Directory * ret = mpd_newDirectory();
+
+	if(directory->path) ret->path = strdup(directory->path);
+
+	return ret;
+}
+
+static void mpd_initPlaylistFile(mpd_PlaylistFile * playlist) {
+	playlist->path = NULL;
+}
+
+static void mpd_finishPlaylistFile(mpd_PlaylistFile * playlist) {
+	if(playlist->path) free(playlist->path);
+}
+
+mpd_PlaylistFile * mpd_newPlaylistFile(void) {
+	mpd_PlaylistFile * playlist = (mpd_PlaylistFile *)malloc(sizeof(mpd_PlaylistFile));
+
+	mpd_initPlaylistFile(playlist);
+
+	return playlist;
+}
+
+void mpd_freePlaylistFile(mpd_PlaylistFile * playlist) {
+	mpd_finishPlaylistFile(playlist);
+	free(playlist);
+}
+
+mpd_PlaylistFile * mpd_playlistFileDup(mpd_PlaylistFile * playlist) {
+	mpd_PlaylistFile * ret = mpd_newPlaylistFile();
+
+	if(playlist->path) ret->path = strdup(playlist->path);
+
+	return ret;
+}
+
+static void mpd_initInfoEntity(mpd_InfoEntity * entity) {
+	entity->info.directory = NULL;
+}
+
+static void mpd_finishInfoEntity(mpd_InfoEntity * entity) {
+	if(entity->info.directory) {
+		if(entity->type == MPD_INFO_ENTITY_TYPE_DIRECTORY) {
+			mpd_freeDirectory(entity->info.directory);
+		}
+		else if(entity->type == MPD_INFO_ENTITY_TYPE_SONG) {
+			mpd_freeSong(entity->info.song);
+		}
+		else if(entity->type == MPD_INFO_ENTITY_TYPE_PLAYLISTFILE) {
+			mpd_freePlaylistFile(entity->info.playlistFile);
+		}
+	}
+}
+
+mpd_InfoEntity * mpd_newInfoEntity(void) {
+	mpd_InfoEntity * entity = (mpd_InfoEntity *)malloc(sizeof(mpd_InfoEntity));
+
+	mpd_initInfoEntity(entity);
+
+	return entity;
+}
+
+void mpd_freeInfoEntity(mpd_InfoEntity * entity) {
+	mpd_finishInfoEntity(entity);
+	free(entity);
+}
+
+static void mpd_sendInfoCommand(mpd_Connection * connection, char * command) {
+	mpd_executeCommand(connection,command);
+}
+
+mpd_InfoEntity * mpd_getNextInfoEntity(mpd_Connection * connection) {
+	mpd_InfoEntity * entity = NULL;
+
+	if(connection->doneProcessing || (connection->listOks &&
+	   connection->doneListOk))
+	{
+		return NULL;
+	}
+
+	if(!connection->returnElement) mpd_getNextReturnElement(connection);
+
+	if(connection->returnElement) {
+		if(strcmp(connection->returnElement->name,"file")==0) {
+			entity = mpd_newInfoEntity();
+			entity->type = MPD_INFO_ENTITY_TYPE_SONG;
+			entity->info.song = mpd_newSong();
+			entity->info.song->file =
+				strdup(connection->returnElement->value);
+		}
+		else if(strcmp(connection->returnElement->name,
+					"directory")==0) {
+			entity = mpd_newInfoEntity();
+			entity->type = MPD_INFO_ENTITY_TYPE_DIRECTORY;
+			entity->info.directory = mpd_newDirectory();
+			entity->info.directory->path =
+				strdup(connection->returnElement->value);
+		}
+		else if(strcmp(connection->returnElement->name,"playlist")==0) {
+			entity = mpd_newInfoEntity();
+			entity->type = MPD_INFO_ENTITY_TYPE_PLAYLISTFILE;
+			entity->info.playlistFile = mpd_newPlaylistFile();
+			entity->info.playlistFile->path =
+				strdup(connection->returnElement->value);
+		}
+		else if(strcmp(connection->returnElement->name, "cpos") == 0){
+			entity = mpd_newInfoEntity();
+			entity->type = MPD_INFO_ENTITY_TYPE_SONG;
+			entity->info.song = mpd_newSong();
+			entity->info.song->pos = atoi(connection->returnElement->value);
+		}
+		else {
+			connection->error = 1;
+			strcpy(connection->errorStr,"problem parsing song info");
+			return NULL;
+		}
+	}
+	else return NULL;
+
+	mpd_getNextReturnElement(connection);
+	while(connection->returnElement) {
+		mpd_ReturnElement * re = connection->returnElement;
+
+		if(strcmp(re->name,"file")==0) return entity;
+		else if(strcmp(re->name,"directory")==0) return entity;
+		else if(strcmp(re->name,"playlist")==0) return entity;
+		else if(strcmp(re->name,"cpos")==0) return entity;
+
+		if(entity->type == MPD_INFO_ENTITY_TYPE_SONG &&
+				strlen(re->value)) {
+			if(!entity->info.song->artist &&
+					strcmp(re->name,"Artist")==0) {
+				entity->info.song->artist = strdup(re->value);
+			}
+			else if(!entity->info.song->album &&
+					strcmp(re->name,"Album")==0) {
+				entity->info.song->album = strdup(re->value);
+			}
+			else if(!entity->info.song->title &&
+					strcmp(re->name,"Title")==0) {
+				entity->info.song->title = strdup(re->value);
+			}
+			else if(!entity->info.song->track &&
+					strcmp(re->name,"Track")==0) {
+				entity->info.song->track = strdup(re->value);
+			}
+			else if(!entity->info.song->name &&
+					strcmp(re->name,"Name")==0) {
+				entity->info.song->name = strdup(re->value);
+			}
+			else if(entity->info.song->time==MPD_SONG_NO_TIME &&
+					strcmp(re->name,"Time")==0) {
+				entity->info.song->time = atoi(re->value);
+			}
+			else if(entity->info.song->pos==MPD_SONG_NO_NUM &&
+					strcmp(re->name,"Pos")==0) {
+				entity->info.song->pos = atoi(re->value);
+			}
+			else if(entity->info.song->id==MPD_SONG_NO_ID &&
+					strcmp(re->name,"Id")==0) {
+				entity->info.song->id = atoi(re->value);
+			}
+			else if(!entity->info.song->date &&
+					strcmp(re->name, "Date") == 0) {
+				entity->info.song->date = strdup(re->value);
+			}
+			else if(!entity->info.song->genre &&
+					strcmp(re->name, "Genre") == 0) {
+				entity->info.song->genre = strdup(re->value);
+			}
+			else if(!entity->info.song->composer &&
+					strcmp(re->name, "Composer") == 0) {
+				entity->info.song->composer = strdup(re->value);
+			}
+			else if(!entity->info.song->performer &&
+					strcmp(re->name, "Performer") == 0) {
+				entity->info.song->performer = strdup(re->value);
+			}
+			else if(!entity->info.song->disc &&
+					strcmp(re->name, "Disc") == 0) {
+				entity->info.song->disc = strdup(re->value);
+			}
+			else if(!entity->info.song->comment &&
+					strcmp(re->name, "Comment") == 0) {
+				entity->info.song->comment = strdup(re->value);
+			}
+		}
+		else if(entity->type == MPD_INFO_ENTITY_TYPE_DIRECTORY) {
+		}
+		else if(entity->type == MPD_INFO_ENTITY_TYPE_PLAYLISTFILE) {
+		}
+
+		mpd_getNextReturnElement(connection);
+	}
+
+	return entity;
+}
+
+static char * mpd_getNextReturnElementNamed(mpd_Connection * connection,
+		const char * name)
+{
+	if(connection->doneProcessing || (connection->listOks &&
+				connection->doneListOk))
+	{
+		return NULL;
+	}
+
+	mpd_getNextReturnElement(connection);
+	while(connection->returnElement) {
+		mpd_ReturnElement * re = connection->returnElement;
+
+		if(strcmp(re->name,name)==0) return strdup(re->value);
+		mpd_getNextReturnElement(connection);
+	}
+
+	return NULL;
+}
+
+char *mpd_getNextTag(mpd_Connection *connection, int type)
+{
+	if (type < 0 || type >= MPD_TAG_NUM_OF_ITEM_TYPES ||
+	    type == MPD_TAG_ITEM_ANY)
+		return NULL;
+	if (type == MPD_TAG_ITEM_FILENAME)
+		return mpd_getNextReturnElementNamed(connection, "file");
+	return mpd_getNextReturnElementNamed(connection, mpdTagItemKeys[type]);
+}
+
+char * mpd_getNextArtist(mpd_Connection * connection) {
+	return mpd_getNextReturnElementNamed(connection,"Artist");
+}
+
+char * mpd_getNextAlbum(mpd_Connection * connection) {
+	return mpd_getNextReturnElementNamed(connection,"Album");
+}
+
+void mpd_sendPlaylistInfoCommand(mpd_Connection * connection, int songPos) {
+	int len = strlen("playlistinfo")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "playlistinfo \"%i\"\n", songPos);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendPlaylistIdCommand(mpd_Connection * connection, int id) {
+	int len = strlen("playlistid")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "playlistid \"%i\"\n", id);
+	mpd_sendInfoCommand(connection, string);
+	free(string);
+}
+
+void mpd_sendPlChangesCommand(mpd_Connection * connection, long long playlist) {
+	int len = strlen("plchanges")+2+LONGLONGLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "plchanges \"%lld\"\n", playlist);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendPlChangesPosIdCommand(mpd_Connection * connection, long long playlist) {
+	int len = strlen("plchangesposid")+2+LONGLONGLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "plchangesposid \"%lld\"\n", playlist);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendListallCommand(mpd_Connection * connection, const char * dir) {
+	char * sDir = mpd_sanitizeArg(dir);
+	int len = strlen("listall")+2+strlen(sDir)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "listall \"%s\"\n", sDir);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+	free(sDir);
+}
+
+void mpd_sendListallInfoCommand(mpd_Connection * connection, const char * dir) {
+	char * sDir = mpd_sanitizeArg(dir);
+	int len = strlen("listallinfo")+2+strlen(sDir)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "listallinfo \"%s\"\n", sDir);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+	free(sDir);
+}
+
+void mpd_sendLsInfoCommand(mpd_Connection * connection, const char * dir) {
+	char * sDir = mpd_sanitizeArg(dir);
+	int len = strlen("lsinfo")+2+strlen(sDir)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "lsinfo \"%s\"\n", sDir);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+	free(sDir);
+}
+
+void mpd_sendCurrentSongCommand(mpd_Connection * connection) {
+	mpd_executeCommand(connection,"currentsong\n");
+}
+
+void mpd_sendSearchCommand(mpd_Connection * connection, int table,
+		const char * str)
+{
+	mpd_startSearch(connection, 0);
+	mpd_addConstraintSearch(connection, table, str);
+	mpd_commitSearch(connection);
+}
+
+void mpd_sendFindCommand(mpd_Connection * connection, int table,
+		const char * str)
+{
+	mpd_startSearch(connection, 1);
+	mpd_addConstraintSearch(connection, table, str);
+	mpd_commitSearch(connection);
+}
+
+void mpd_sendListCommand(mpd_Connection * connection, int table,
+		const char * arg1)
+{
+	char st[10];
+	int len;
+	char *string;
+	if(table == MPD_TABLE_ARTIST) strcpy(st,"artist");
+	else if(table == MPD_TABLE_ALBUM) strcpy(st,"album");
+	else {
+		connection->error = 1;
+		strcpy(connection->errorStr,"unknown table for list");
+		return;
+	}
+	if(arg1) {
+		char * sanitArg1 = mpd_sanitizeArg(arg1);
+		len = strlen("list")+1+strlen(sanitArg1)+2+strlen(st)+3;
+		string = (char *)malloc(len);
+		snprintf(string, len, "list %s \"%s\"\n", st, sanitArg1);
+		free(sanitArg1);
+	}
+	else {
+		len = strlen("list")+1+strlen(st)+2;
+		string = (char *)malloc(len);
+		snprintf(string, len, "list %s\n", st);
+	}
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendAddCommand(mpd_Connection * connection, const char * file) {
+	char * sFile = mpd_sanitizeArg(file);
+	int len = strlen("add")+2+strlen(sFile)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "add \"%s\"\n", sFile);
+	mpd_executeCommand(connection,string);
+	free(string);
+	free(sFile);
+}
+
+int mpd_sendAddIdCommand(mpd_Connection *connection, const char *file)
+{
+	int retval = -1;
+	char *sFile = mpd_sanitizeArg(file);
+	int len = strlen("addid")+2+strlen(sFile)+3;
+	char *string = (char *)malloc(len);
+
+	snprintf(string, len, "addid \"%s\"\n", sFile);
+	mpd_sendInfoCommand(connection, string);
+	free(string);
+	free(sFile);
+
+	string = mpd_getNextReturnElementNamed(connection, "Id");
+	if (string) {
+		retval = atoi(string);
+		free(string);
+	}
+	
+	return retval;
+}
+
+void mpd_sendDeleteCommand(mpd_Connection * connection, int songPos) {
+	int len = strlen("delete")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "delete \"%i\"\n", songPos);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendDeleteIdCommand(mpd_Connection * connection, int id) {
+	int len = strlen("deleteid")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "deleteid \"%i\"\n", id);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendSaveCommand(mpd_Connection * connection, const char * name) {
+	char * sName = mpd_sanitizeArg(name);
+	int len = strlen("save")+2+strlen(sName)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "save \"%s\"\n", sName);
+	mpd_executeCommand(connection,string);
+	free(string);
+	free(sName);
+}
+
+void mpd_sendLoadCommand(mpd_Connection * connection, const char * name) {
+	char * sName = mpd_sanitizeArg(name);
+	int len = strlen("load")+2+strlen(sName)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "load \"%s\"\n", sName);
+	mpd_executeCommand(connection,string);
+	free(string);
+	free(sName);
+}
+
+void mpd_sendRmCommand(mpd_Connection * connection, const char * name) {
+	char * sName = mpd_sanitizeArg(name);
+	int len = strlen("rm")+2+strlen(sName)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "rm \"%s\"\n", sName);
+	mpd_executeCommand(connection,string);
+	free(string);
+	free(sName);
+}
+
+void mpd_sendRenameCommand(mpd_Connection *connection, const char *from,
+                           const char *to)
+{
+	char *sFrom = mpd_sanitizeArg(from);
+	char *sTo = mpd_sanitizeArg(to);
+	int len = strlen("rename")+2+strlen(sFrom)+3+strlen(sTo)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "rename \"%s\" \"%s\"\n", sFrom, sTo);
+	mpd_executeCommand(connection, string);
+	free(string);
+	free(sFrom);
+	free(sTo);
+}
+
+void mpd_sendShuffleCommand(mpd_Connection * connection) {
+	mpd_executeCommand(connection,"shuffle\n");
+}
+
+void mpd_sendClearCommand(mpd_Connection * connection) {
+	mpd_executeCommand(connection,"clear\n");
+}
+
+void mpd_sendPlayCommand(mpd_Connection * connection, int songPos) {
+	int len = strlen("play")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "play \"%i\"\n", songPos);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendPlayIdCommand(mpd_Connection * connection, int id) {
+	int len = strlen("playid")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "playid \"%i\"\n", id);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendStopCommand(mpd_Connection * connection) {
+	mpd_executeCommand(connection,"stop\n");
+}
+
+void mpd_sendPauseCommand(mpd_Connection * connection, int pauseMode) {
+	int len = strlen("pause")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "pause \"%i\"\n", pauseMode);
+	mpd_executeCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendNextCommand(mpd_Connection * connection) {
+	mpd_executeCommand(connection,"next\n");
+}
+
+void mpd_sendMoveCommand(mpd_Connection * connection, int from, int to) {
+	int len = strlen("move")+2+INTLEN+3+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "move \"%i\" \"%i\"\n", from, to);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendMoveIdCommand(mpd_Connection * connection, int id, int to) {
+	int len = strlen("moveid")+2+INTLEN+3+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "moveid \"%i\" \"%i\"\n", id, to);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendSwapCommand(mpd_Connection * connection, int song1, int song2) {
+	int len = strlen("swap")+2+INTLEN+3+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "swap \"%i\" \"%i\"\n", song1, song2);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendSwapIdCommand(mpd_Connection * connection, int id1, int id2) {
+	int len = strlen("swapid")+2+INTLEN+3+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "swapid \"%i\" \"%i\"\n", id1, id2);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendSeekCommand(mpd_Connection * connection, int song, int time) {
+	int len = strlen("seek")+2+INTLEN+3+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "seek \"%i\" \"%i\"\n", song, time);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendSeekIdCommand(mpd_Connection * connection, int id, int time) {
+	int len = strlen("seekid")+2+INTLEN+3+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "seekid \"%i\" \"%i\"\n", id, time);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendUpdateCommand(mpd_Connection * connection, char * path) {
+	char * sPath = mpd_sanitizeArg(path);
+	int len = strlen("update")+2+strlen(sPath)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "update \"%s\"\n", sPath);
+	mpd_sendInfoCommand(connection,string);
+	free(string);
+	free(sPath);
+}
+
+int mpd_getUpdateId(mpd_Connection * connection) {
+	char * jobid;
+	int ret = 0;
+
+	jobid = mpd_getNextReturnElementNamed(connection,"updating_db");
+	if(jobid) {
+		ret = atoi(jobid);
+		free(jobid);
+	}
+
+	return ret;
+}
+
+void mpd_sendPrevCommand(mpd_Connection * connection) {
+	mpd_executeCommand(connection,"previous\n");
+}
+
+void mpd_sendRepeatCommand(mpd_Connection * connection, int repeatMode) {
+	int len = strlen("repeat")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "repeat \"%i\"\n", repeatMode);
+	mpd_executeCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendRandomCommand(mpd_Connection * connection, int randomMode) {
+	int len = strlen("random")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "random \"%i\"\n", randomMode);
+	mpd_executeCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendSetvolCommand(mpd_Connection * connection, int volumeChange) {
+	int len = strlen("setvol")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "setvol \"%i\"\n", volumeChange);
+	mpd_executeCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendVolumeCommand(mpd_Connection * connection, int volumeChange) {
+	int len = strlen("volume")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "volume \"%i\"\n", volumeChange);
+	mpd_executeCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendCrossfadeCommand(mpd_Connection * connection, int seconds) {
+	int len = strlen("crossfade")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "crossfade \"%i\"\n", seconds);
+	mpd_executeCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendPasswordCommand(mpd_Connection * connection, const char * pass) {
+	char * sPass = mpd_sanitizeArg(pass);
+	int len = strlen("password")+2+strlen(sPass)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "password \"%s\"\n", sPass);
+	mpd_executeCommand(connection,string);
+	free(string);
+	free(sPass);
+}
+
+void mpd_sendCommandListBegin(mpd_Connection * connection) {
+	if(connection->commandList) {
+		strcpy(connection->errorStr,"already in command list mode");
+		connection->error = 1;
+		return;
+	}
+	connection->commandList = COMMAND_LIST;
+	mpd_executeCommand(connection,"command_list_begin\n");
+}
+
+void mpd_sendCommandListOkBegin(mpd_Connection * connection) {
+	if(connection->commandList) {
+		strcpy(connection->errorStr,"already in command list mode");
+		connection->error = 1;
+		return;
+	}
+	connection->commandList = COMMAND_LIST_OK;
+	mpd_executeCommand(connection,"command_list_ok_begin\n");
+	connection->listOks = 0;
+}
+
+void mpd_sendCommandListEnd(mpd_Connection * connection) {
+	if(!connection->commandList) {
+		strcpy(connection->errorStr,"not in command list mode");
+		connection->error = 1;
+		return;
+	}
+	connection->commandList = 0;
+	mpd_executeCommand(connection,"command_list_end\n");
+}
+
+void mpd_sendOutputsCommand(mpd_Connection * connection) {
+	mpd_executeCommand(connection,"outputs\n");
+}
+
+mpd_OutputEntity * mpd_getNextOutput(mpd_Connection * connection) {
+	mpd_OutputEntity * output = NULL;
+
+	if(connection->doneProcessing || (connection->listOks &&
+				connection->doneListOk))
+	{
+		return NULL;
+	}
+
+	if(connection->error) return NULL;
+
+	output = (mpd_OutputEntity *)malloc(sizeof(mpd_OutputEntity));
+	output->id = -10;
+	output->name = NULL;
+	output->enabled = 0;
+
+	if(!connection->returnElement) mpd_getNextReturnElement(connection);
+
+	while(connection->returnElement) {
+		mpd_ReturnElement * re = connection->returnElement;
+		if(strcmp(re->name,"outputid")==0) {
+			if(output!=NULL && output->id>=0) return output;
+			output->id = atoi(re->value);
+		}
+		else if(strcmp(re->name,"outputname")==0) {
+			output->name = strdup(re->value);
+		}
+		else if(strcmp(re->name,"outputenabled")==0) {
+			output->enabled = atoi(re->value);
+		}
+
+		mpd_getNextReturnElement(connection);
+		if(connection->error) {
+			free(output);
+			return NULL;
+		}
+
+	}
+
+	return output;
+}
+
+void mpd_sendEnableOutputCommand(mpd_Connection * connection, int outputId) {
+	int len = strlen("enableoutput")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "enableoutput \"%i\"\n", outputId);
+	mpd_executeCommand(connection,string);
+	free(string);
+}
+
+void mpd_sendDisableOutputCommand(mpd_Connection * connection, int outputId) {
+	int len = strlen("disableoutput")+2+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "disableoutput \"%i\"\n", outputId);
+	mpd_executeCommand(connection,string);
+	free(string);
+}
+
+void mpd_freeOutputElement(mpd_OutputEntity * output) {
+	free(output->name);
+	free(output);
+}
+
+/**
+ * mpd_sendNotCommandsCommand
+ * odd naming, but it gets the not allowed commands
+ */
+
+void mpd_sendNotCommandsCommand(mpd_Connection * connection)
+{
+	mpd_executeCommand(connection, "notcommands\n");
+}
+
+/**
+ * mpd_sendCommandsCommand
+ * odd naming, but it gets the allowed commands
+ */
+void mpd_sendCommandsCommand(mpd_Connection * connection)
+{
+	mpd_executeCommand(connection, "commands\n");
+}
+
+/**
+ * Get the next returned command
+ */
+char * mpd_getNextCommand(mpd_Connection * connection)
+{
+	return mpd_getNextReturnElementNamed(connection, "command");
+}
+
+void mpd_sendUrlHandlersCommand(mpd_Connection * connection)
+{
+	mpd_executeCommand(connection, "urlhandlers\n");
+}
+
+char * mpd_getNextHandler(mpd_Connection * connection)
+{
+	return mpd_getNextReturnElementNamed(connection, "handler");
+}
+
+void mpd_sendTagTypesCommand(mpd_Connection * connection)
+{
+	mpd_executeCommand(connection, "tagtypes\n");
+}
+
+char * mpd_getNextTagType(mpd_Connection * connection)
+{
+	return mpd_getNextReturnElementNamed(connection, "tagtype");
+}
+
+void mpd_startSearch(mpd_Connection *connection, int exact)
+{
+	if (connection->request) {
+		strcpy(connection->errorStr, "search already in progress");
+		connection->error = 1;
+		return;
+	}
+
+	if (exact) connection->request = strdup("find");
+	else connection->request = strdup("search");
+}
+
+void mpd_startStatsSearch(mpd_Connection *connection)
+{
+	if (connection->request) {
+		strcpy(connection->errorStr, "search already in progress");
+		connection->error = 1;
+		return;
+	}
+
+	connection->request = strdup("count");
+}
+
+void mpd_startPlaylistSearch(mpd_Connection *connection, int exact)
+{
+	if (connection->request) {
+		strcpy(connection->errorStr, "search already in progress");
+		connection->error = 1;
+		return;
+	}
+
+	if (exact) connection->request = strdup("playlistfind");
+	else connection->request = strdup("playlistsearch");
+}
+
+void mpd_startFieldSearch(mpd_Connection *connection, int type)
+{
+	char *strtype;
+	int len;
+
+	if (connection->request) {
+		strcpy(connection->errorStr, "search already in progress");
+		connection->error = 1;
+		return;
+	}
+
+	if (type < 0 || type >= MPD_TAG_NUM_OF_ITEM_TYPES) {
+		strcpy(connection->errorStr, "invalid type specified");
+		connection->error = 1;
+		return;
+	}
+
+	strtype = mpdTagItemKeys[type];
+
+	len = 5+strlen(strtype)+1;
+	connection->request = (char *)malloc(len);
+
+	snprintf(connection->request, len, "list %c%s",
+	         tolower(strtype[0]), strtype+1);
+}
+
+void mpd_addConstraintSearch(mpd_Connection *connection, int type, const char *name)
+{
+	char *strtype;
+	char *arg;
+	int len;
+	char *string;
+
+	if (!connection->request) {
+		strcpy(connection->errorStr, "no search in progress");
+		connection->error = 1;
+		return;
+	}
+
+	if (type < 0 || type >= MPD_TAG_NUM_OF_ITEM_TYPES) {
+		strcpy(connection->errorStr, "invalid type specified");
+		connection->error = 1;
+		return;
+	}
+
+	if (name == NULL) {
+		strcpy(connection->errorStr, "no name specified");
+		connection->error = 1;
+		return;
+	}
+
+	string = strdup(connection->request);
+	strtype = mpdTagItemKeys[type];
+	arg = mpd_sanitizeArg(name);
+
+	len = strlen(string)+1+strlen(strtype)+2+strlen(arg)+2;
+	connection->request = (char *)realloc(connection->request, len);
+	snprintf(connection->request, len, "%s %c%s \"%s\"",
+	         string, tolower(strtype[0]), strtype+1, arg);
+
+	free(string);
+	free(arg);
+}
+
+void mpd_commitSearch(mpd_Connection *connection)
+{
+	int len;
+
+	if (!connection->request) {
+		strcpy(connection->errorStr, "no search in progress");
+		connection->error = 1;
+		return;
+	}
+
+	len = strlen(connection->request)+2;
+	connection->request = (char *)realloc(connection->request, len);
+	connection->request[len-2] = '\n';
+	connection->request[len-1] = '\0';
+	mpd_sendInfoCommand(connection, connection->request);
+
+	free(connection->request);
+	connection->request = NULL;
+}
+
+/**
+ * @param connection a MpdConnection
+ * @param path	the path to the playlist.
+ *
+ * List the content, with full metadata, of a stored playlist.
+ *
+ */
+void mpd_sendListPlaylistInfoCommand(mpd_Connection *connection, char *path)
+{
+	char *arg = mpd_sanitizeArg(path);
+	int len = strlen("listplaylistinfo")+2+strlen(arg)+3;
+	char *query = (char *)malloc(len);
+	snprintf(query, len, "listplaylistinfo \"%s\"\n", arg);
+	mpd_sendInfoCommand(connection, query);
+	free(arg);
+	free(query);
+}
+
+/**
+ * @param connection a MpdConnection
+ * @param path	the path to the playlist.
+ *
+ * List the content of a stored playlist.
+ *
+ */
+void mpd_sendListPlaylistCommand(mpd_Connection *connection, char *path)
+{
+	char *arg = mpd_sanitizeArg(path);
+	int len = strlen("listplaylist")+2+strlen(arg)+3;
+	char *query = (char *)malloc(len);
+	snprintf(query, len, "listplaylist \"%s\"\n", arg);
+	mpd_sendInfoCommand(connection, query);
+	free(arg);
+	free(query);
+}
+
+void mpd_sendPlaylistClearCommand(mpd_Connection *connection, char *path)
+{
+	char *sPath = mpd_sanitizeArg(path);
+	int len = strlen("playlistclear")+2+strlen(sPath)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "playlistclear \"%s\"\n", sPath);
+	mpd_executeCommand(connection, string);
+	free(sPath);
+	free(string);
+}
+
+void mpd_sendPlaylistAddCommand(mpd_Connection *connection,
+                                char *playlist, char *path)
+{
+	char *sPlaylist = mpd_sanitizeArg(playlist);
+	char *sPath = mpd_sanitizeArg(path);
+	int len = strlen("playlistadd")+2+strlen(sPlaylist)+3+strlen(sPath)+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "playlistadd \"%s\" \"%s\"\n", sPlaylist, sPath);
+	mpd_executeCommand(connection, string);
+	free(sPlaylist);
+	free(sPath);
+	free(string);
+}
+
+void mpd_sendPlaylistMoveCommand(mpd_Connection *connection,
+                                 char *playlist, int from, int to)
+{
+	char *sPlaylist = mpd_sanitizeArg(playlist);
+	int len = strlen("playlistmove")+
+	          2+strlen(sPlaylist)+3+INTLEN+3+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "playlistmove \"%s\" \"%i\" \"%i\"\n",
+	         sPlaylist, from, to);
+	mpd_executeCommand(connection, string);
+	free(sPlaylist);
+	free(string);
+}
+
+void mpd_sendPlaylistDeleteCommand(mpd_Connection *connection,
+                                   char *playlist, int pos)
+{
+	char *sPlaylist = mpd_sanitizeArg(playlist);
+	int len = strlen("playlistdelete")+2+strlen(sPlaylist)+3+INTLEN+3;
+	char *string = (char *)malloc(len);
+	snprintf(string, len, "playlistdelete \"%s\" \"%i\"\n", sPlaylist, pos);
+	mpd_executeCommand(connection, string);
+	free(sPlaylist);
+	free(string);
+}
diff -r 171db9560cb5 clients/mpd/libmpdclient.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clients/mpd/libmpdclient.h	Mon May 19 00:21:51 2008 -0400
@@ -0,0 +1,670 @@
+/* libmpdclient
+   (c)2003-2006 by Warren Dukes (warren.dukes@gmail.com)
+   This project's homepage is: http://www.musicpd.org
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   - Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+   - Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+   - Neither the name of the Music Player Daemon nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef LIBMPDCLIENT_H
+#define LIBMPDCLIENT_H
+
+#ifdef WIN32
+#  define __W32API_USE_DLLIMPORT__ 1
+#endif
+
+#include <sys/time.h>
+#include <stdarg.h>
+#define MPD_BUFFER_MAX_LENGTH	50000
+#define MPD_ERRORSTR_MAX_LENGTH	1000
+#define MPD_WELCOME_MESSAGE	"OK MPD "
+
+#define MPD_ERROR_TIMEOUT	10 /* timeout trying to talk to mpd */
+#define MPD_ERROR_SYSTEM	11 /* system error */
+#define MPD_ERROR_UNKHOST	12 /* unknown host */
+#define MPD_ERROR_CONNPORT	13 /* problems connecting to port on host */
+#define MPD_ERROR_NOTMPD	14 /* mpd not running on port at host */
+#define MPD_ERROR_NORESPONSE	15 /* no response on attempting to connect */
+#define MPD_ERROR_SENDING	16 /* error sending command */
+#define MPD_ERROR_CONNCLOSED	17 /* connection closed by mpd */
+#define MPD_ERROR_ACK		18 /* ACK returned! */
+#define MPD_ERROR_BUFFEROVERRUN	19 /* Buffer was overrun! */
+
+#define MPD_ACK_ERROR_UNK	-1
+#define MPD_ERROR_AT_UNK	-1
+
+#define MPD_ACK_ERROR_NOT_LIST			1
+#define MPD_ACK_ERROR_ARG			2
+#define MPD_ACK_ERROR_PASSWORD			3
+#define MPD_ACK_ERROR_PERMISSION		4
+#define MPD_ACK_ERROR_UNKNOWN_CMD		5
+
+#define MPD_ACK_ERROR_NO_EXIST			50
+#define MPD_ACK_ERROR_PLAYLIST_MAX		51
+#define MPD_ACK_ERROR_SYSTEM			52
+#define MPD_ACK_ERROR_PLAYLIST_LOAD		53
+#define MPD_ACK_ERROR_UPDATE_ALREADY		54
+#define MPD_ACK_ERROR_PLAYER_SYNC		55
+#define MPD_ACK_ERROR_EXIST			56
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum mpd_TagItems
+{
+	MPD_TAG_ITEM_ARTIST,
+	MPD_TAG_ITEM_ALBUM,
+	MPD_TAG_ITEM_TITLE,
+	MPD_TAG_ITEM_TRACK,
+	MPD_TAG_ITEM_NAME,
+	MPD_TAG_ITEM_GENRE,
+	MPD_TAG_ITEM_DATE,
+	MPD_TAG_ITEM_COMPOSER,
+	MPD_TAG_ITEM_PERFORMER,
+	MPD_TAG_ITEM_COMMENT,
+	MPD_TAG_ITEM_DISC,
+	MPD_TAG_ITEM_FILENAME,
+	MPD_TAG_ITEM_ANY,
+	MPD_TAG_NUM_OF_ITEM_TYPES
+} mpd_TagItems;
+
+extern char * mpdTagItemKeys[MPD_TAG_NUM_OF_ITEM_TYPES];
+
+/* internal stuff don't touch this struct */
+typedef struct _mpd_ReturnElement {
+	char * name;
+	char * value;
+} mpd_ReturnElement;
+
+/* mpd_Connection
+ * holds info about connection to mpd
+ * use error, and errorStr to detect errors
+ */
+typedef struct _mpd_Connection {
+	/* use this to check the version of mpd */
+	int version[3];
+	/* IMPORTANT, you want to get the error messages from here */
+	char errorStr[MPD_ERRORSTR_MAX_LENGTH+1];
+	int errorCode;
+	int errorAt;
+	/* this will be set to MPD_ERROR_* if there is an error, 0 if not */
+	int error;
+	/* DON'T TOUCH any of the rest of this stuff */
+	int sock;
+	char buffer[MPD_BUFFER_MAX_LENGTH+1];
+	int buflen;
+	int bufstart;
+	int doneProcessing;
+	int listOks;
+	int doneListOk;
+	int commandList;
+	mpd_ReturnElement * returnElement;
+	struct timeval timeout;
+	char *request;
+} mpd_Connection;
+
+/* mpd_newConnection
+ * use this to open a new connection
+ * you should use mpd_closeConnection, when your done with the connection,
+ * even if an error has occurred
+ * _timeout_ is the connection timeout period in seconds
+ */
+mpd_Connection * mpd_newConnection(const char * host, int port, float timeout);
+
+void mpd_setConnectionTimeout(mpd_Connection * connection, float timeout);
+
+/* mpd_closeConnection
+ * use this to close a connection and free'ing subsequent memory
+ */
+void mpd_closeConnection(mpd_Connection * connection);
+
+/* mpd_clearError
+ * clears error
+ */
+void mpd_clearError(mpd_Connection * connection);
+
+/* STATUS STUFF */
+
+/* use these with status.state to determine what state the player is in */
+#define MPD_STATUS_STATE_UNKNOWN	0
+#define MPD_STATUS_STATE_STOP		1
+#define MPD_STATUS_STATE_PLAY		2
+#define MPD_STATUS_STATE_PAUSE		3
+
+/* us this with status.volume to determine if mpd has volume support */
+#define MPD_STATUS_NO_VOLUME		-1
+
+/* mpd_Status
+ * holds info return from status command
+ */
+typedef struct mpd_Status {
+	/* 0-100, or MPD_STATUS_NO_VOLUME when there is no volume support */
+	int volume;
+	/* 1 if repeat is on, 0 otherwise */
+	int repeat;
+	/* 1 if random is on, 0 otherwise */
+	int random;
+	/* playlist length */
+	int playlistLength;
+	/* playlist, use this to determine when the playlist has changed */
+	long long playlist;
+	/* use with MPD_STATUS_STATE_* to determine state of player */
+	int state;
+	/* crossfade setting in seconds */
+	int crossfade;
+	/* if a song is currently selected (always the case when state is
+	 * PLAY or PAUSE), this is the position of the currently
+	 * playing song in the playlist, beginning with 0
+	 */
+	int song;
+	/* Song ID of the currently selected song */
+	int songid;
+	/* time in seconds that have elapsed in the currently playing/paused
+	 * song
+	 */
+	int elapsedTime;
+	/* length in seconds of the currently playing/paused song */
+	int totalTime;
+	/* current bit rate in kbs */
+	int bitRate;
+	/* audio sample rate */
+	unsigned int sampleRate;
+	/* audio bits */
+	int bits;
+	/* audio channels */
+	int channels;
+	/* 1 if mpd is updating, 0 otherwise */
+	int updatingDb;
+	/* error */
+	char * error;
+} mpd_Status;
+
+void mpd_sendStatusCommand(mpd_Connection * connection);
+
+/* mpd_getStatus
+ * returns status info, be sure to free it with mpd_freeStatus()
+ * call this after mpd_sendStatusCommand()
+ */
+mpd_Status * mpd_getStatus(mpd_Connection * connection);
+
+/* mpd_freeStatus
+ * free's status info malloc'd and returned by mpd_getStatus
+ */
+void mpd_freeStatus(mpd_Status * status);
+
+typedef struct _mpd_Stats {
+	int numberOfArtists;
+	int numberOfAlbums;
+	int numberOfSongs;
+	unsigned long uptime;
+	unsigned long dbUpdateTime;
+	unsigned long playTime;
+	unsigned long dbPlayTime;
+} mpd_Stats;
+
+typedef struct _mpd_SearchStats {
+	int numberOfSongs;
+	unsigned long playTime;
+} mpd_SearchStats;
+
+void mpd_sendStatsCommand(mpd_Connection * connection);
+
+mpd_Stats * mpd_getStats(mpd_Connection * connection);
+
+void mpd_freeStats(mpd_Stats * stats);
+
+mpd_SearchStats * mpd_getSearchStats(mpd_Connection * connection);
+
+void mpd_freeSearchStats(mpd_SearchStats * stats);
+
+/* SONG STUFF */
+
+#define MPD_SONG_NO_TIME	-1
+#define MPD_SONG_NO_NUM		-1
+#define MPD_SONG_NO_ID		-1
+
+/* mpd_Song
+ * for storing song info returned by mpd
+ */
+typedef struct _mpd_Song {
+	/* filename of song */
+	char * file;
+	/* artist, maybe NULL if there is no tag */
+	char * artist;
+	/* title, maybe NULL if there is no tag */
+	char * title;
+	/* album, maybe NULL if there is no tag */
+	char * album;
+	/* track, maybe NULL if there is no tag */
+	char * track;
+	/* name, maybe NULL if there is no tag; it's the name of the current
+	 * song, f.e. the icyName of the stream */
+	char * name;
+	/* date */
+	char *date;
+
+	/* added by qball */
+	/* Genre */
+	char *genre;
+	/* Composer */
+	char *composer;
+	/* Performer */
+	char *performer;
+	/* Disc */
+	char *disc;
+	/* Comment */
+	char *comment;
+
+	/* length of song in seconds, check that it is not MPD_SONG_NO_TIME  */
+	int time;
+	/* if plchanges/playlistinfo/playlistid used, is the position of the
+	 * song in the playlist */
+	int pos;
+	/* song id for a song in the playlist */
+	int id;
+} mpd_Song;
+
+/* mpd_newSong
+ * use to allocate memory for a new mpd_Song
+ * file, artist, etc all initialized to NULL
+ * if your going to assign values to file, artist, etc
+ * be sure to malloc or strdup the memory
+ * use mpd_freeSong to free the memory for the mpd_Song, it will also
+ * free memory for file, artist, etc, so don't do it yourself
+ */
+mpd_Song * mpd_newSong(void);
+
+/* mpd_freeSong
+ * use to free memory allocated by mpd_newSong
+ * also it will free memory pointed to by file, artist, etc, so be careful
+ */
+void mpd_freeSong(mpd_Song * song);
+
+/* mpd_songDup
+ * works like strDup, but for a mpd_Song
+ */
+mpd_Song * mpd_songDup(mpd_Song * song);
+
+/* DIRECTORY STUFF */
+
+/* mpd_Directory
+ * used to store info fro directory (right now that just the path)
+ */
+typedef struct _mpd_Directory {
+	char * path;
+} mpd_Directory;
+
+/* mpd_newDirectory
+ * allocates memory for a new directory
+ * use mpd_freeDirectory to free this memory
+ */
+mpd_Directory * mpd_newDirectory(void);
+
+/* mpd_freeDirectory
+ * used to free memory allocated with mpd_newDirectory, and it frees
+ * path of mpd_Directory, so be careful
+ */
+void mpd_freeDirectory(mpd_Directory * directory);
+
+/* mpd_directoryDup
+ * works like strdup, but for mpd_Directory
+ */
+mpd_Directory * mpd_directoryDup(mpd_Directory * directory);
+
+/* PLAYLISTFILE STUFF */
+
+/* mpd_PlaylistFile
+ * stores info about playlist file returned by lsinfo
+ */
+typedef struct _mpd_PlaylistFile {
+	char * path;
+} mpd_PlaylistFile;
+
+/* mpd_newPlaylistFile
+ * allocates memory for new mpd_PlaylistFile, path is set to NULL
+ * free this memory with mpd_freePlaylistFile
+ */
+mpd_PlaylistFile * mpd_newPlaylistFile(void);
+
+/* mpd_freePlaylist
+ * free memory allocated for freePlaylistFile, will also free
+ * path, so be careful
+ */
+void mpd_freePlaylistFile(mpd_PlaylistFile * playlist);
+
+/* mpd_playlistFileDup
+ * works like strdup, but for mpd_PlaylistFile
+ */
+mpd_PlaylistFile * mpd_playlistFileDup(mpd_PlaylistFile * playlist);
+
+/* INFO ENTITY STUFF */
+
+/* the type of entity returned from one of the commands that generates info
+ * use in conjunction with mpd_InfoEntity.type
+ */
+#define MPD_INFO_ENTITY_TYPE_DIRECTORY		0
+#define MPD_INFO_ENTITY_TYPE_SONG		1
+#define MPD_INFO_ENTITY_TYPE_PLAYLISTFILE	2
+
+/* mpd_InfoEntity
+ * stores info on stuff returned info commands
+ */
+typedef struct mpd_InfoEntity {
+	/* the type of entity, use with MPD_INFO_ENTITY_TYPE_* to determine
+	 * what this entity is (song, directory, etc...)
+	 */
+	int type;
+	/* the actual data you want, mpd_Song, mpd_Directory, etc */
+	union {
+		mpd_Directory * directory;
+		mpd_Song * song;
+		mpd_PlaylistFile * playlistFile;
+	} info;
+} mpd_InfoEntity;
+
+mpd_InfoEntity * mpd_newInfoEntity(void);
+
+void mpd_freeInfoEntity(mpd_InfoEntity * entity);
+
+/* INFO COMMANDS AND STUFF */
+
+/* use this function to loop over after calling Info/Listall functions */
+mpd_InfoEntity * mpd_getNextInfoEntity(mpd_Connection * connection);
+
+/* fetches the currently seeletect song (the song referenced by status->song
+ * and status->songid*/
+void mpd_sendCurrentSongCommand(mpd_Connection * connection);
+
+/* songNum of -1, means to display the whole list */
+void mpd_sendPlaylistInfoCommand(mpd_Connection * connection, int songNum);
+
+/* songId of -1, means to display the whole list */
+void mpd_sendPlaylistIdCommand(mpd_Connection * connection, int songId);
+
+/* use this to get the changes in the playlist since version _playlist_ */
+void mpd_sendPlChangesCommand(mpd_Connection * connection, long long playlist);
+
+/**
+ * @param connection: A valid and connected mpd_Connection.
+ * @param playlist: The playlist version you want the diff with.
+ * A more bandwidth efficient version of the mpd_sendPlChangesCommand.
+ * It only returns the pos+id of the changes song.
+ */
+void mpd_sendPlChangesPosIdCommand(mpd_Connection * connection, long long playlist);
+
+/* recursivel fetches all songs/dir/playlists in "dir* (no metadata is
+ * returned) */
+void mpd_sendListallCommand(mpd_Connection * connection, const char * dir);
+
+/* same as sendListallCommand, but also metadata is returned */
+void mpd_sendListallInfoCommand(mpd_Connection * connection, const char * dir);
+
+/* non-recursive version of ListallInfo */
+void mpd_sendLsInfoCommand(mpd_Connection * connection, const char * dir);
+
+#define MPD_TABLE_ARTIST	MPD_TAG_ITEM_ARTIST
+#define MPD_TABLE_ALBUM		MPD_TAG_ITEM_ALBUM
+#define MPD_TABLE_TITLE		MPD_TAG_ITEM_TITLE
+#define MPD_TABLE_FILENAME	MPD_TAG_ITEM_FILENAME
+
+void mpd_sendSearchCommand(mpd_Connection * connection, int table,
+		const char * str);
+
+void mpd_sendFindCommand(mpd_Connection * connection, int table,
+		const char * str);
+
+/* LIST TAG COMMANDS */
+
+/* use this function fetch next artist entry, be sure to free the returned
+ * string.  NULL means there are no more.  Best used with sendListArtists
+ */
+char * mpd_getNextArtist(mpd_Connection * connection);
+
+char * mpd_getNextAlbum(mpd_Connection * connection);
+
+char * mpd_getNextTag(mpd_Connection *connection, int type);
+
+/* list artist or albums by artist, arg1 should be set to the artist if
+ * listing albums by a artist, otherwise NULL for listing all artists or albums
+ */
+void mpd_sendListCommand(mpd_Connection * connection, int table,
+		const char * arg1);
+
+/* SIMPLE COMMANDS */
+
+void mpd_sendAddCommand(mpd_Connection * connection, const char * file);
+
+int mpd_sendAddIdCommand(mpd_Connection *connection, const char *file);
+
+void mpd_sendDeleteCommand(mpd_Connection * connection, int songNum);
+
+void mpd_sendDeleteIdCommand(mpd_Connection * connection, int songNum);
+
+void mpd_sendSaveCommand(mpd_Connection * connection, const char * name);
+
+void mpd_sendLoadCommand(mpd_Connection * connection, const char * name);
+
+void mpd_sendRmCommand(mpd_Connection * connection, const char * name);
+
+void mpd_sendRenameCommand(mpd_Connection *connection, const char *from,
+                           const char *to);
+
+void mpd_sendShuffleCommand(mpd_Connection * connection);
+
+void mpd_sendClearCommand(mpd_Connection * connection);
+
+/* use this to start playing at the beginning, useful when in random mode */
+#define MPD_PLAY_AT_BEGINNING	-1
+
+void mpd_sendPlayCommand(mpd_Connection * connection, int songNum);
+
+void mpd_sendPlayIdCommand(mpd_Connection * connection, int songNum);
+
+void mpd_sendStopCommand(mpd_Connection * connection);
+
+void mpd_sendPauseCommand(mpd_Connection * connection, int pauseMode);
+
+void mpd_sendNextCommand(mpd_Connection * connection);
+
+void mpd_sendPrevCommand(mpd_Connection * connection);
+
+void mpd_sendMoveCommand(mpd_Connection * connection, int from, int to);
+
+void mpd_sendMoveIdCommand(mpd_Connection * connection, int from, int to);
+
+void mpd_sendSwapCommand(mpd_Connection * connection, int song1, int song2);
+
+void mpd_sendSwapIdCommand(mpd_Connection * connection, int song1, int song2);
+
+void mpd_sendSeekCommand(mpd_Connection * connection, int song, int time);
+
+void mpd_sendSeekIdCommand(mpd_Connection * connection, int song, int time);
+
+void mpd_sendRepeatCommand(mpd_Connection * connection, int repeatMode);
+
+void mpd_sendRandomCommand(mpd_Connection * connection, int randomMode);
+
+void mpd_sendSetvolCommand(mpd_Connection * connection, int volumeChange);
+
+/* WARNING: don't use volume command, its depreacted */
+void mpd_sendVolumeCommand(mpd_Connection * connection, int volumeChange);
+
+void mpd_sendCrossfadeCommand(mpd_Connection * connection, int seconds);
+
+void mpd_sendUpdateCommand(mpd_Connection * connection, char * path);
+
+/* returns the update job id, call this after a update command*/
+int mpd_getUpdateId(mpd_Connection * connection);
+
+void mpd_sendPasswordCommand(mpd_Connection * connection, const char * pass);
+
+/* after executing a command, when your done with it to get its status
+ * (you want to check connection->error for an error)
+ */
+void mpd_finishCommand(mpd_Connection * connection);
+
+/* command list stuff, use this to do things like add files very quickly */
+void mpd_sendCommandListBegin(mpd_Connection * connection);
+
+void mpd_sendCommandListOkBegin(mpd_Connection * connection);
+
+void mpd_sendCommandListEnd(mpd_Connection * connection);
+
+/* advance to the next listOk
+ * returns 0 if advanced to the next list_OK,
+ * returns -1 if it advanced to an OK or ACK */
+int mpd_nextListOkCommand(mpd_Connection * connection);
+
+typedef struct _mpd_OutputEntity {
+	int id;
+	char * name;
+	int enabled;
+} mpd_OutputEntity;
+
+void mpd_sendOutputsCommand(mpd_Connection * connection);
+
+mpd_OutputEntity * mpd_getNextOutput(mpd_Connection * connection);
+
+void mpd_sendEnableOutputCommand(mpd_Connection * connection, int outputId);
+
+void mpd_sendDisableOutputCommand(mpd_Connection * connection, int outputId);
+
+void mpd_freeOutputElement(mpd_OutputEntity * output);
+
+/**
+ * @param connection a #mpd_Connection
+ *
+ * Queries mpd for the allowed commands
+ */
+void mpd_sendCommandsCommand(mpd_Connection * connection);
+
+/**
+ * @param connection a #mpd_Connection
+ *
+ * Queries mpd for the not allowed commands
+ */
+void mpd_sendNotCommandsCommand(mpd_Connection * connection);
+
+/**
+ * @param connection a #mpd_Connection
+ *
+ * returns the next supported command.
+ *
+ * @returns a string, needs to be free'ed
+ */
+char *mpd_getNextCommand(mpd_Connection *connection);
+
+void mpd_sendUrlHandlersCommand(mpd_Connection * connection);
+
+char *mpd_getNextHandler(mpd_Connection * connection);
+
+void mpd_sendTagTypesCommand(mpd_Connection * connection);
+
+char *mpd_getNextTagType(mpd_Connection * connection);
+
+/**
+ * @param connection a MpdConnection
+ * @param path	the path to the playlist.
+ *
+ * List the content, with full metadata, of a stored playlist.
+ *
+ */
+void mpd_sendListPlaylistInfoCommand(mpd_Connection *connection, char *path);
+
+/**
+ * @param connection a MpdConnection
+ * @param path	the path to the playlist.
+ *
+ * List the content of a stored playlist.
+ *
+ */
+void mpd_sendListPlaylistCommand(mpd_Connection *connection, char *path);
+
+/**
+ * @param connection a #mpd_Connection
+ * @param exact if to match exact
+ *
+ * starts a search, use mpd_addConstraintSearch to add
+ * a constraint to the search, and mpd_commitSearch to do the actual search
+ */
+void mpd_startSearch(mpd_Connection *connection, int exact);
+
+/**
+ * @param connection a #mpd_Connection
+ * @param type
+ * @param name
+ */
+void mpd_addConstraintSearch(mpd_Connection *connection, int type, const char *name);
+
+/**
+ * @param connection a #mpd_Connection
+ */
+void mpd_commitSearch(mpd_Connection *connection);
+
+/**
+ * @param connection a #mpd_Connection
+ * @param type The type to search for
+ *
+ * starts a search for fields... f.e. get a list of artists would be:
+ * @code
+ * mpd_startFieldSearch(connection, MPD_TAG_ITEM_ARTIST);
+ * mpd_commitSearch(connection);
+ * @endcode
+ *
+ * or get a list of artist in genre "jazz" would be:
+ * @code
+ * mpd_startFieldSearch(connection, MPD_TAG_ITEM_ARTIST);
+ * mpd_addConstraintSearch(connection, MPD_TAG_ITEM_GENRE, "jazz")
+ * mpd_commitSearch(connection);
+ * @endcode
+ *
+ * mpd_startSearch will return  a list of songs (and you need mpd_getNextInfoEntity)
+ * this one will return a list of only one field (the one specified with type) and you need
+ * mpd_getNextTag to get the results
+ */
+void mpd_startFieldSearch(mpd_Connection *connection, int type);
+
+void mpd_startPlaylistSearch(mpd_Connection *connection, int exact);
+
+void mpd_startStatsSearch(mpd_Connection *connection);
+
+void mpd_sendPlaylistClearCommand(mpd_Connection *connection, char *path);
+
+void mpd_sendPlaylistAddCommand(mpd_Connection *connection,
+                                char *playlist, char *path);
+
+void mpd_sendPlaylistMoveCommand(mpd_Connection *connection,
+                                 char *playlist, int from, int to);
+
+void mpd_sendPlaylistDeleteCommand(mpd_Connection *connection,
+                                   char *playlist, int pos);
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff -r 171db9560cb5 clients/mpd/mpdinterface.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clients/mpd/mpdinterface.cc	Mon May 19 00:21:51 2008 -0400
@@ -0,0 +1,404 @@
+#include "mpdinterface.h"
+#include "immsutil.h"
+#include <cctype>
+#include <fstream>
+#include <sstream>
+
+namespace mpd_interface
+{
+  position_err::position_err(int position, int playlist_length)
+  {
+    std::ostringstream s;
+    s << "Attempted to access song of invalid position in playlist. "
+      "Used position: " << position << ", playlist size: "
+      << playlist_length;
+    msg = s.str();
+  }
+
+  std::string Song::music_directory = "";
+
+  void Song::set_default_dir(std::string path)
+  {
+    music_directory = path;
+    if(!path.empty() && path[path.length()-1]!='/') {
+      music_directory.append("/");
+    }
+  }
+
+  bool operator==(const Song& first, const Song& second)
+  {
+    return (first.song_path == second.song_path) &&
+      (first.pl_pos == second.pl_pos) &&
+      (first.song_length == second.song_length);
+  }
+  bool operator!=(const Song& first, const Song& second)
+  {
+    return !(first == second);
+  }
+
+  // determines whether the line contains the given parameter in the
+  // mpd.conf fashion
+  bool contains_parameter(const std::string& line, const std::string& parameter)
+  {
+    if(line.empty() || line[0]=='#') return false;
+    
+    std::string::size_type pos = line.find(parameter);
+    if(pos == std::string::npos) return false;
+
+    while(pos>0) {
+      if(!isspace(line[pos-1])) return false;
+      --pos;
+    }
+    return true;
+  }
+
+  // returns the value of the given parameter from an mpd.config line
+  std::string get_value(const std::string& line,
+      const std::string& parameter)
+  {
+    if(!contains_parameter(line, parameter)) return "";
+
+    std::string::size_type start = line.find_first_of("\"");
+    ++start; // position of the first non-quote char
+    if(start == std::string::npos || start>=line.size()) return "";
+
+    std::string::size_type end = line.find_last_of("\"");
+    if(end == std::string::npos) return "";
+
+    std::string result = line.substr(start, end-start);
+    return result;
+  }
+
+  config read_configuration(std::string conf_path) throw(config_err)
+  {
+    static const std::string address_param = "bind_to_address";
+    static const std::string port_param = "port";
+    static const std::string dir_param = "music_directory";
+
+    if(conf_path == "")
+    {
+      std::string user_path = getenv("HOME");
+      if(user_path[user_path.size()-1] != '/') user_path.append("/");
+      user_path.append(".mpdconf");
+
+      try {
+	// read the "~/.mpdconf" file
+	return read_configuration(user_path);
+      }
+      catch (config_err) { // "~/.mpdconf" not found
+	  // read the "/etc/mpd.conf" instead
+	  return read_configuration("/etc/mpd.conf");
+      }
+    }
+    else
+    {
+      std::ifstream con_f(conf_path.c_str());
+      if(!con_f) {
+	throw config_err("cannot open the MPD config file \"" +
+	    conf_path + "\"");
+      }
+
+      config result;
+      std::string line;
+      while(getline(con_f, line)) {
+	if(contains_parameter(line, address_param)) {
+	  result.hostname = get_value(line, address_param);
+	  if(result.hostname.empty()) result.hostname = "localhost";
+	}
+	else if(contains_parameter(line, port_param)) {
+	  std::stringstream s;
+	  s << get_value(line, port_param);
+	  if(!(s >> result.port)) result.port = 6600;
+	}
+	else if(contains_parameter(line, dir_param)) {
+	  result.music_dir = get_value(line, dir_param);
+	}
+      }
+      con_f.close();
+      if(result.music_dir.empty()) {
+	throw config_err("infalid format of the MPD config file \"" + 
+	    conf_path + "\"");
+      }
+
+      return result;
+    }
+  }
+
+  
+  bool Server::connect(const std::string& hostname, int port)
+    throw(connection_err)
+  {
+    if(connected()) disconnect();
+
+    try {
+      connection = mpd_newConnection(hostname.c_str(), port, 10);
+      if(mpd_error()) throw connection_err(connection->errorStr);
+    }
+    catch(connection_err) {
+      disconnect();
+      throw;
+    }
+    
+    if(connected()) {
+    }
+    return connected();
+  }
+
+  void Server::disconnect()
+  {
+    if(connection!=nullptr) {
+      mpd_closeConnection(connection);
+    }
+    connection = nullptr;
+  }
+
+  bool Server::ack_error() const throw(connection_err)
+  {
+    if(!connected()) throw connection_err();
+    return connection->error == MPD_ERROR_ACK;
+  }
+  // determines whether the MPD is in error state which is not the ACK error
+  bool Server::mpd_error() const throw(connection_err)
+  {
+    if(!connected()) throw connection_err();
+    return connection->error!=0 && !ack_error();
+  }
+
+  // changes the mpd internal status to the playback_status type
+  playback_status resolve_state(int mpd_state)
+  {
+    switch(mpd_state)
+    {
+      case MPD_STATUS_STATE_PLAY:
+	return playing;
+      case MPD_STATUS_STATE_STOP:
+	return stopped;
+      case MPD_STATUS_STATE_PAUSE:
+	return paused;
+      default:
+	return playing;
+    }
+  }
+
+  void Server::refresh() throw(connection_err)
+  {
+    if(!connected()) throw connection_err();
+    try {
+      
+// the mess below is here because otherwise the results in nasty problems
+// when MPD connection times out
+//TODO prolly doesn't have to be everywhere, though. Weed it out
+if(mpd_error()) throw connection_err(connection->errorStr);
+      mpd_sendCommandListOkBegin(connection);
+if(mpd_error()) throw connection_err(connection->errorStr);
+      mpd_sendStatusCommand(connection);
+if(mpd_error()) throw connection_err(connection->errorStr);
+      mpd_sendCurrentSongCommand(connection);
+if(mpd_error()) throw connection_err(connection->errorStr);
+      mpd_sendCommandListEnd(connection);
+if(mpd_error()) throw connection_err(connection->errorStr);
+
+      mpd_Status * status = mpd_getStatus(connection);
+      if(status!=nullptr) {
+
+      pl_length = status->playlistLength;
+      pl_version = status->playlist;
+      pb_status = resolve_state(status->state);
+      current_song.set_elapsed(status->elapsedTime);
+      random = status->random;
+
+      mpd_freeStatus(status);
+      }
+
+      if(mpd_error()) throw connection_err(connection->errorStr);
+
+      mpd_nextListOkCommand(connection);
+      mpd_InfoEntity *entity;
+      while((entity = mpd_getNextInfoEntity(connection))) {
+	mpd_Song *song = entity->info.song;
+
+	if(entity->type!=MPD_INFO_ENTITY_TYPE_SONG) {
+	  mpd_freeInfoEntity(entity);
+	  continue;
+	}
+	
+	current_song.set_path(song->file);
+	current_song.set_pos(song->pos);
+	current_song.set_length(song->time);
+	mpd_freeInfoEntity(entity);
+      }
+      if(mpd_error()) throw connection_err(connection->errorStr);
+
+      mpd_finishCommand(connection);
+      if(mpd_error()) throw connection_err(connection->errorStr);
+    }
+    catch(connection_err) {
+      disconnect();
+      throw;
+    }
+  }
+
+  Song Server::get_song_info(int pl_pos)
+    throw(connection_err, position_err)   
+  {
+    if(!connected()) throw connection_err();
+    if(pl_pos < 0 || pl_pos >= get_playlist_length()) {
+      throw position_err(pl_pos, get_playlist_length());
+    }
+
+    Song result;
+    try {
+      mpd_sendPlaylistInfoCommand(connection, pl_pos);
+      if(mpd_error()) throw connection_err(connection->errorStr);
+
+      mpd_InfoEntity *entity;
+      while((entity = mpd_getNextInfoEntity(connection)))
+      {
+	mpd_Song *song = entity->info.song;
+
+	if(entity->type!=MPD_INFO_ENTITY_TYPE_SONG)
+	{
+	  mpd_freeInfoEntity(entity);
+	  continue;
+	}
+	
+	result = Song(song->file,song->pos,song->time);
+
+	mpd_freeInfoEntity(entity);
+      }
+      if(mpd_error()) throw connection_err(connection->errorStr);
+
+      mpd_finishCommand(connection);
+      if(mpd_error()) throw connection_err(connection->errorStr);
+      // shouldn't happen, but just in case
+      if(ack_error())  {
+	refresh();
+	throw position_err(pl_pos, get_playlist_length());
+      }
+    }
+    catch(connection_err)
+    {
+      disconnect();
+      throw;
+    }
+
+    return result;
+  }
+
+  void Server::play_song(int pl_pos) throw(connection_err, position_err)
+  {
+    if(!connected()) throw connection_err();
+    if(pl_pos < 0 || pl_pos >= pl_length) {
+      throw position_err(pl_pos, get_playlist_length());
+    }
+
+    try {
+      mpd_sendPlayCommand(connection, pl_pos);
+      mpd_finishCommand(connection);
+      if(mpd_error()) throw connection_err(connection->errorStr);
+      if(ack_error()) throw position_err(pl_pos, get_playlist_length());
+    }
+    catch(connection_err) {
+      disconnect();
+      throw;
+    }
+  }
+  // end of SERVER section
+
+
+  // Player class
+  Player::Player(): previous_status(stopped), current_status(stopped),
+  previous_song_pos(Song::invalid_pos), current_song_pos(Song::invalid_pos),
+  null_song()
+  {
+  }
+
+  bool Player::connect() throw(config_err, connection_err)
+  {
+    config conf = read_configuration();
+    Song::set_default_dir(conf.music_dir);
+    return mpd.connect(conf.hostname, conf.port);
+  }
+
+  void Player::disconnect()
+  {
+    mpd.disconnect();
+  }
+
+  void Player::refresh()
+  {
+    mpd.refresh();
+
+    playlist__changed = pl_ver != mpd.get_playlist_version();
+    if(playlist__changed) {
+      pl_ver = mpd.get_playlist_version();
+
+      // update the internal playlist
+      playlist.clear();
+      playlist.reserve(mpd.get_playlist_length());
+      for(int i = 0; i<mpd.get_playlist_length(); i++) {
+	playlist.push_back(mpd.get_song_info(i));
+      }
+    }
+
+    song__changed = mpd.get_current_song() != song(current);
+    if(song__changed) {
+      previous_song_pos = current_song_pos;
+      current_song_pos = mpd.get_current_song().pos();
+    }
+    else if(!playlist.empty() && current_song_pos != Song::invalid_pos) {
+      playlist[current_song_pos].set_elapsed(mpd.get_current_song().
+	  elapsed());
+    }
+
+    status__changed = current_status != mpd.get_playback_status();
+    if(status__changed) {
+      previous_status = current_status;
+      current_status = mpd.get_playback_status();
+    }
+  }
+
+  const Song& Player::song(recent value) const
+  {
+    if(playlist.empty()) return null_song;
+
+    switch(value) {
+      case previous:
+	return previous_song_pos == Song::invalid_pos ?
+	  null_song : song(previous_song_pos);
+
+      case current:
+      default:
+	return current_song_pos == Song::invalid_pos ?
+	  null_song : song(current_song_pos);
+    }
+  }
+  const Song& Player::song(int position) const throw(position_err)
+  {
+    try {
+      return playlist.at(position);
+    }
+    catch (...) {
+      throw position_err(position, playlist.size());
+    }
+  }
+
+  playback_status Player::status(recent value) const
+  {
+    switch (value) {
+      case previous: return previous_status;
+      case current:
+      default: return current_status;
+    }
+  }
+
+  void Player::play_song(int pl_pos)
+  {
+    mpd.play_song(pl_pos);
+  }
+  // end of Player class
+
+
+} // namespace end
+
+
diff -r 171db9560cb5 clients/mpd/mpdinterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clients/mpd/mpdinterface.h	Mon May 19 00:21:51 2008 -0400
@@ -0,0 +1,209 @@
+#ifndef MPDINTERFACE_H
+#define MPDINTERFACE_H
+
+#include "libmpdclient.h"
+#include <string>
+#include <vector>
+
+namespace mpd_interface
+{
+const int nullptr = 0; 
+
+/* list of thrown exceptions */
+
+  // generic exception that can be thrown by MPD
+  class mpd_err
+  {
+  protected:
+    std::string msg;
+  public:
+    mpd_err(const std::string& message = "unknown error"): msg(message) { }
+    std::string message() const { return msg; }
+  };
+
+  // thrown when for whatever reason the connection cannot be maintained
+  // the Player is always set to the disconnected state when this is thrown
+  class connection_err: public mpd_err
+  {
+  public:
+    connection_err(const std::string& message = "not connected"):
+      mpd_err(message) { }
+  };
+
+  class config_err: public mpd_err
+  {
+  public:
+    config_err(const std::string& message = "") : mpd_err(message) { }
+  };
+
+  // thrown when trying to access element out of the playlist range
+  // contains information about the length of the playlist
+  // and the invalid position
+  class position_err: public mpd_err
+  {
+    int invalid_position;
+    int pl_length;
+  public:
+    position_err(int position, int playlist_length);
+    int pos() const { return invalid_position; }
+    int playlist_length() const {return pl_length; }
+  };
+/* end of the exception list */
+
+
+  // information about the configuration of MPD
+  // it's the relevant info read from the mpd.config file
+  struct config
+  {
+    std::string hostname;
+    int port;
+    std::string music_dir;
+  };
+
+  // attempts to read the configuration file
+  // if no path is specified following actions are taken:
+  // first, the ~/.mpdconf file is looked for
+  // then, the /etc/mpd.conf file is tried.
+  config read_configuration(std::string conf_path="") throw(config_err);
+
+
+  // Represents one song in playlist.
+  // Note that when one song is twice in a playlist (their positions differ)
+  // they are two different songs from this class' point of view.
+  class Song
+  {
+    static std::string music_directory; // directory in which the songs are
+
+    std::string song_path; 
+    int pl_pos; 
+    int song_length; // time - in seconds
+    int song_elapsed; // time - in seconds
+
+  public:
+    static const int invalid_pos = MPD_SONG_NO_NUM;
+    static const int invalid_time = MPD_SONG_NO_TIME;
+
+    static void set_default_dir(std::string path); // set the music directory
+
+    Song(std::string path = "", int position = invalid_pos,
+	int length = invalid_time, int elapsed = invalid_time):
+      song_path(music_directory+path), pl_pos(position),
+      song_length(length), song_elapsed(elapsed) { }
+
+    friend bool operator==(const Song& first, const Song& second);
+    friend bool operator!=(const Song& first, const Song& second);
+
+    std::string path() const { return song_path; }
+    void set_path(std::string path) { song_path = music_directory+path; }
+    int pos() const { return pl_pos; }
+    void set_pos(int position) { pl_pos = position; }
+    int length() const { return song_length; }
+    void set_length(int length) { song_length = length; }
+    int elapsed() const {return song_elapsed; }
+    void set_elapsed(int elapsed) { song_elapsed = elapsed; }
+  };
+
+
+
+  // the status of the playback - whether it's stopped, paused
+  // or is playing a song right now
+  enum playback_status {playing, stopped, paused} ;
+
+  // represents the communication with the MPD server
+  // It's a confortable wrapper around the libmpdclient library
+  // When its refresh() method is called it gets all information from server
+  // and stores them so as not to flood the MPD with commands
+  class Server
+  {
+  public:
+    Server(): connection(nullptr) {};
+    ~Server() { disconnect(); }
+
+    bool connect(const std::string& hostname="localhost", int port = 6600)
+      throw(connection_err);
+    void disconnect();
+    bool connected() const {return connection!=nullptr; }
+
+
+    void refresh() throw(connection_err); // the Server asks MPD for new values
+    int get_playlist_length() const { return pl_length; }
+    long long get_playlist_version() { return pl_version; }
+    playback_status get_playback_status() { return pb_status; }
+    bool get_random() const {return random; }
+
+    Song get_song_info(int pl_pos) throw(connection_err,position_err);
+    Song get_current_song() const { return current_song; }
+
+    // plays the song at the specified position
+    void play_song(int pl_pos) throw(connection_err, position_err);
+
+  private:
+    Server& operator=(const Server&);
+    Server(const Server&);
+
+    mpd_Connection *connection;
+    int pl_length;
+    long long pl_version;
+    playback_status pb_status;
+    Song current_song;
+    bool random;
+
+
+    // determines whether the actual MPD error state is the ACK error
+    bool ack_error() const throw(connection_err);
+
+    // determines whether the MPD is in error state which is not the ACK error
+    bool mpd_error() const throw(connection_err);
+  };
+
+
+
+  enum recent {previous, current};
+
+  class Player
+  {
+  public:
+
+    Player();
+
+    bool connect() throw(config_err, connection_err);
+    void disconnect();
+    bool connected() const { return mpd.connected(); }
+
+    void refresh();
+    
+    bool song_changed() {return song__changed; }
+    bool playlist_changed() { return playlist__changed; }
+    bool status_changed() { return status__changed; }
+
+    // gets the current or the previously played song
+    // song(current) returns currently played song
+    // song(previous) returns the previously played song
+    const Song& song(recent) const;
+    const Song& song(int position) const throw(position_err);
+    int playlist_length() const { return mpd.get_playlist_length(); }
+    bool radnom() const { return mpd.get_random(); }
+    void play_song(int pl_pos);
+
+    // gets the current or the previous playback status
+    playback_status status(recent) const;
+
+
+  private:
+    Player& operator=(const Player&);
+    Player(const Player&);
+
+    Server mpd;
+    long long pl_ver;
+    playback_status previous_status, current_status;
+    int previous_song_pos, current_song_pos;
+    const Song null_song;
+    std::vector<Song> playlist;
+
+    bool song__changed, playlist__changed, status__changed;
+  };
+
+}
+
+#endif
+
diff -r 171db9560cb5 clients/mpd/rules.mk
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clients/mpd/rules.mk	Mon May 19 00:21:51 2008 -0400
@@ -0,0 +1,16 @@
+MDPCPPFLAGS= $(GLIB2CPPFLAGS)
+MPDLDFLAGS= $(GLIB2LDFLAGS)
+MPDCOMMON= mpdinterface.o libmpdclient.o clientstubbase.o libimmscore.a libmodel.a
+
+
+immsmpd: immsmpd.o $(MPDCOMMON)
+immsmpd: $(call objects,../clients/mpd)
+immsmpd-CPPFLAGS=$(MDPCPPFLAGS)
+immsmpd-LIBS=$(MPDLDFLAGS)
+
+
+MPDDESTDIR=/usr/bin
+
+immsmpd_install: immsmpd
+	${INSTALL} -D $^ $(MPDDESTDIR)
+
diff -r 171db9560cb5 configure.ac
--- a/configure.ac	Mon May 19 00:16:56 2008 -0400
+++ b/configure.ac	Mon May 19 00:21:51 2008 -0400
@@ -260,6 +260,13 @@
 saved_libs="$LIBS"
 
 PLUGINS=""
+
+AC_CHECK_PROG(with_mdp, mpd --help, "yes", "no")
+if test "$with_mpd" != "no"; then
+    AC_APPEND(PLUGINS, immsmpd)
+fi
+
+
 AC_CHECK_PROG(with_xmms, xmms-config, "yes", "no")
 if test "$with_xmms" != "no"; then
     CPPFLAGS=`xmms-config --cflags`
diff -r 171db9560cb5 vars.mk.in
--- a/vars.mk.in	Mon May 19 00:16:56 2008 -0400
+++ b/vars.mk.in	Mon May 19 00:21:51 2008 -0400
@@ -10,7 +10,7 @@
 bindir = @bindir@
 datadir = @datadir@
 
-VPATH = ../immscore:../analyzer:../model:../autotag:../immsremote:../utils:../clients:../immsd:../data:../clients/xmms:../clients/bmp:../clients/audacious
+VPATH = ../immscore:../analyzer:../model:../autotag:../immsremote:../utils:../clients:../immsd:../data:../clients/xmms:../clients/bmp:../clients/audacious:../clients/mpd
 ARFLAGS = rs
 
 SHELL = bash